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53192503225 = 5219322392
BaseRepresentation
bin110001100010100001…
…010010111110111001
312002022002002010202001
4301202201102332321
51332414240100400
640234123541001
73562105550221
oct614241227671
9162262063661
1053192503225
1120616865a74
12a38608a761
1350292b51a4
142808727081
1515b4cb1a6a
hexc62852fb9

53192503225 has 27 divisors (see below), whose sum is σ = 66580805613. Its totient is φ = 42156387840.

The previous prime is 53192503223. The next prime is 53192503229. The reversal of 53192503225 is 52230529135.

The square root of 53192503225 is 230635.

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

53192503225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8554955049 + 44637548176 = 92493^2 + 211276^2 .

It is not a de Polignac number, because 53192503225 - 21 = 53192503223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53192503223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 222562656 + ... + 222562894.

Almost surely, 253192503225 is an apocalyptic number.

53192503225 is the 230635-th square number.

53192503225 is the 115318-th centered octagonal number.

It is an amenable number.

53192503225 is a deficient number, since it is larger than the sum of its proper divisors (13388302388).

53192503225 is an frugal number, since it uses more digits than its factorization.

53192503225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 53192503225 in words is "fifty-three billion, one hundred ninety-two million, five hundred three thousand, two hundred twenty-five".

Divisors: 1 5 25 193 239 965 1195 4825 5975 37249 46127 57121 186245 230635 285605 931225 1153175 1428025 8902511 11024353 44512555 55121765 222562775 275608825 2127700129 10638500645 53192503225