55520572575 has 48 divisors (see below), whose sum is σ = 98904982176. Its totient is φ = 27319411200.

The previous prime is 55520572567. The next prime is 55520572577. The reversal of 55520572575 is 57527502555.

It is not a de Polignac number, because 55520572575 - 2³ = 55520572567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55520572577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2074177 + ... + 2100773.

It is an arithmetic number, because the mean of its divisors is an integer number (2060520462).

Almost surely, 2^55520572575 is an apocalyptic number.

55520572575 is a deficient number, since it is larger than the sum of its proper divisors (43384409601).

55520572575 is a wasteful number, since it uses less digits than its factorization.

55520572575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28764 (or 28759 counting only the distinct ones).

The product of its (nonzero) digits is 3062500, while the sum is 48.

The spelling of 55520572575 in words is "fifty-five billion, five hundred twenty million, five hundred seventy-two thousand, five hundred seventy-five".