55251111533104 has 40 divisors (see below), whose sum is σ = 107358088191200. Its totient is φ = 27545801891328.

The previous prime is 55251111533053. The next prime is 55251111533131. The reversal of 55251111533104 is 40133511115255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374238469 + ... + 374386075.

It is an arithmetic number, because the mean of its divisors is an integer number (2683952204780).

Almost surely, 2^{55251111533104} is an apocalyptic number.

It is an amenable number.

55251111533104 is a deficient number, since it is larger than the sum of its proper divisors (52106976658096).

55251111533104 is a wasteful number, since it uses less digits than its factorization.

55251111533104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214997 (or 214991 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

Adding to 55251111533104 its reverse (40133511115255), we get a palindrome (95384622648359).

The spelling of 55251111533104 in words is "fifty-five trillion, two hundred fifty-one billion, one hundred eleven million, five hundred thirty-three thousand, one hundred four".