55922173838 has 32 divisors (see below), whose sum is σ = 87056424000. Its totient is φ = 26909777664.

The previous prime is 55922173817. The next prime is 55922173859. The reversal of 55922173838 is 83837122955.

It is an interprime number because it is at equal distance from previous prime (55922173817) and next prime (55922173859).

It is a self number, because there is not a number n which added to its sum of digits gives 55922173838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39972263 + ... + 39973661.

It is an arithmetic number, because the mean of its divisors is an integer number (2720513250).

Almost surely, 2^55922173838 is an apocalyptic number.

55922173838 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55922173838 is a deficient number, since it is larger than the sum of its proper divisors (31134250162).

55922173838 is a wasteful number, since it uses less digits than its factorization.

55922173838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164.

The product of its digits is 3628800, while the sum is 53.

The spelling of 55922173838 in words is "fifty-five billion, nine hundred twenty-two million, one hundred seventy-three thousand, eight hundred thirty-eight".