555099512772 has 96 divisors (see below), whose sum is σ = 1567499012352. Its totient is φ = 149255294976.

The previous prime is 555099512743. The next prime is 555099512777. The reversal of 555099512772 is 277215990555.

It is a super-2 number, since 2×555099512772² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (555099512777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26711778 + ... + 26732550.

It is an arithmetic number, because the mean of its divisors is an integer number (16328114712).

Almost surely, 2^555099512772 is an apocalyptic number.

It is an amenable number.

555099512772 is an abundant number, since it is smaller than the sum of its proper divisors (1012399499580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555099512772 is a wasteful number, since it uses less digits than its factorization.

555099512772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39517 (or 39515 counting only the distinct ones).

The product of its (nonzero) digits is 9922500, while the sum is 57.

The spelling of 555099512772 in words is "five hundred fifty-five billion, ninety-nine million, five hundred twelve thousand, seven hundred seventy-two".