55770528525 has 96 divisors (see below), whose sum is σ = 103717468800. Its totient is φ = 26276659200.

The previous prime is 55770528523. The next prime is 55770528553. The reversal of 55770528525 is 52582507755.

It is not a de Polignac number, because 55770528525 - 2¹ = 55770528523 is a prime.

It is a super-2 number, since 2×55770528525² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55770528521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2629965 + ... + 2651085.

It is an arithmetic number, because the mean of its divisors is an integer number (1080390300).

Almost surely, 2^55770528525 is an apocalyptic number.

It is an amenable number.

55770528525 is a deficient number, since it is larger than the sum of its proper divisors (47946940275).

55770528525 is a wasteful number, since it uses less digits than its factorization.

55770528525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21279 (or 21274 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 55770528525 in words is "fifty-five billion, seven hundred seventy million, five hundred twenty-eight thousand, five hundred twenty-five".