55004637870 has 576 divisors, whose sum is σ = 187848123840. Its totient is φ = 11412430848.

The previous prime is 55004637851. The next prime is 55004637893. The reversal of 55004637870 is 7873640055.

55004637870 is a `hidden beast` number, since 5 + 5 + 0 + 0 + 4 + 637 + 8 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 287 ways as a sum of consecutive naturals, for example, 163218342 + ... + 163218678.

It is an arithmetic number, because the mean of its divisors is an integer number (326125215).

Almost surely, 2^55004637870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55004637870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93924061920).

55004637870 is an abundant number, since it is smaller than the sum of its proper divisors (132843485970).

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

55004637870 is a wasteful number, since it uses less digits than its factorization.

55004637870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 55004637870 in words is "fifty-five billion, four million, six hundred thirty-seven thousand, eight hundred seventy".