55657304525 has 12 divisors (see below), whose sum is σ = 69027715872. Its totient is φ = 44517677040.

The previous prime is 55657304519. The next prime is 55657304537. The reversal of 55657304525 is 52540375655.

It is a happy number.

It is not a de Polignac number, because 55657304525 - 2¹⁰ = 55657303501 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 55657304525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63227 + ... + 339576.

It is an arithmetic number, because the mean of its divisors is an integer number (5752309656).

Almost surely, 2^55657304525 is an apocalyptic number.

It is an amenable number.

55657304525 is a deficient number, since it is larger than the sum of its proper divisors (13370411347).

55657304525 is a wasteful number, since it uses less digits than its factorization.

55657304525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408340 (or 408335 counting only the distinct ones).

The product of its (nonzero) digits is 3150000, while the sum is 47.

The spelling of 55657304525 in words is "fifty-five billion, six hundred fifty-seven million, three hundred four thousand, five hundred twenty-five".