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55804782625 = 531672673283
BaseRepresentation
bin110011111110001110…
…010110100000100001
312100001010112200101221
4303332032112200201
51403242011021000
641345242055041
74013615553154
oct637616264041
9170033480357
1055804782625
1121737388169
12a994aaa481
135354567347
1429b5643c9b
1516b92ba61a
hexcfe396821

55804782625 has 16 divisors (see below), whose sum is σ = 70061427072. Its totient is φ = 44376481200.

The previous prime is 55804782571. The next prime is 55804782661. The reversal of 55804782625 is 52628740855.

55804782625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55804782625 - 27 = 55804782497 is a prime.

It is a super-2 number, since 2×558047826252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1315767 + ... + 1357516.

It is an arithmetic number, because the mean of its divisors is an integer number (4378839192).

Almost surely, 255804782625 is an apocalyptic number.

It is an amenable number.

55804782625 is a deficient number, since it is larger than the sum of its proper divisors (14256644447).

55804782625 is a wasteful number, since it uses less digits than its factorization.

55804782625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673465 (or 2673455 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 52.

The spelling of 55804782625 in words is "fifty-five billion, eight hundred four million, seven hundred eighty-two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 167 835 4175 20875 2673283 13366415 66832075 334160375 446438261 2232191305 11160956525 55804782625