55258291938 has 32 divisors (see below), whose sum is σ = 113906745792. Its totient is φ = 17859916800.

The previous prime is 55258291927. The next prime is 55258291967. The reversal of 55258291938 is 83919285255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648943 + ... + 729138.

It is an arithmetic number, because the mean of its divisors is an integer number (3559585806).

Almost surely, 2^55258291938 is an apocalyptic number.

55258291938 is an abundant number, since it is smaller than the sum of its proper divisors (58648453854).

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

55258291938 is a wasteful number, since it uses less digits than its factorization.

55258291938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378290.

The product of its digits is 7776000, while the sum is 57.

The spelling of 55258291938 in words is "fifty-five billion, two hundred fifty-eight million, two hundred ninety-one thousand, nine hundred thirty-eight".