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52658775625 = 546721372
BaseRepresentation
bin110001000010101101…
…010010011001001001
312000220212202222010011
4301002231102121021
51330321121310000
640105140151521
73542635131121
oct610255223111
9160825688104
1052658775625
1120372562585
12a2573985a1
134c72851541
1427978b1c81
151582ed52ba
hexc42b52649

52658775625 has 45 divisors (see below), whose sum is σ = 67290334419. Its totient is φ = 41195352000.

The previous prime is 52658775623. The next prime is 52658775727. The reversal of 52658775625 is 52657785625.

The square root of 52658775625 is 229475.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 36385181001 + 16273594624 = 190749^2 + 127568^2 .

It is not a de Polignac number, because 52658775625 - 21 = 52658775623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52658775625.

It is not an unprimeable number, because it can be changed into a prime (52658775623) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 384370557 + ... + 384370693.

Almost surely, 252658775625 is an apocalyptic number.

52658775625 is the 229475-th square number.

52658775625 is the 114738-th centered octagonal number.

It is an amenable number.

52658775625 is a deficient number, since it is larger than the sum of its proper divisors (14631558794).

52658775625 is an frugal number, since it uses more digits than its factorization.

52658775625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 209 counting only the distinct ones).

The product of its digits is 35280000, while the sum is 58.

The spelling of 52658775625 in words is "fifty-two billion, six hundred fifty-eight million, seven hundred seventy-five thousand, six hundred twenty-five".

Divisors: 1 5 25 67 125 137 335 625 685 1675 3425 4489 8375 9179 17125 18769 22445 41875 45895 85625 93845 112225 229475 469225 561125 614993 1147375 1257523 2346125 2805625 3074965 5736875 6287615 11730625 15374825 31438075 76874125 84254041 157190375 384370625 421270205 785951875 2106351025 10531755125 52658775625