55772552572 has 48 divisors (see below), whose sum is σ = 110326497120. Its totient is φ = 24436966400.

The previous prime is 55772552551. The next prime is 55772552573. The reversal of 55772552572 is 27525527755.

It is a super-2 number, since 2×55772552572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55772552573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751872 + ... + 822712.

It is an arithmetic number, because the mean of its divisors is an integer number (2298468690).

Almost surely, 2^55772552572 is an apocalyptic number.

It is an amenable number.

55772552572 is a deficient number, since it is larger than the sum of its proper divisors (54553944548).

55772552572 is a wasteful number, since it uses less digits than its factorization.

55772552572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71502 (or 71500 counting only the distinct ones).

The product of its digits is 8575000, while the sum is 52.

The spelling of 55772552572 in words is "fifty-five billion, seven hundred seventy-two million, five hundred fifty-two thousand, five hundred seventy-two".