55790236225584 has 400 divisors, whose sum is σ = 189243054240768. Its totient is φ = 15600888147456.

The previous prime is 55790236225579. The next prime is 55790236225609. The reversal of 55790236225584 is 48552263209755.

It is a happy number.

55790236225584 is a `hidden beast` number, since 5 + 5 + 7 + 9 + 0 + 23 + 6 + 2 + 25 + 584 = 666.

It is a super-2 number, since 2×55790236225584² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 103342084 + ... + 103880540.

Almost surely, 2^{55790236225584} is an apocalyptic number.

55790236225584 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55790236225584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94621527120384).

55790236225584 is an abundant number, since it is smaller than the sum of its proper divisors (133452818015184).

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

55790236225584 is an frugal number, since it uses more digits than its factorization.

55790236225584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538546 (or 538516 counting only the distinct ones).

The product of its (nonzero) digits is 181440000, while the sum is 63.

It can be divided in two parts, 55790236 and 225584, that added together give a triangular number (56015820 = T₁₀₅₈₄).

The spelling of 55790236225584 in words is "fifty-five trillion, seven hundred ninety billion, two hundred thirty-six million, two hundred twenty-five thousand, five hundred eighty-four".