55403661924000 has 288 divisors, whose sum is σ = 211752797662224. Its totient is φ = 13637824358400.

The previous prime is 55403661923999. The next prime is 55403661924007. The reversal of 55403661924000 is 42916630455.

55403661924000 is a `hidden beast` number, since 5 + 5 + 4 + 0 + 3 + 6 + 619 + 24 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3689211415824 + 51714450508176 = 1920732^2 + 7191276^2 .

It is a tau number, because it is divible by the number of its divisors (288).

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

It is not an unprimeable number, because it can be changed into a prime (55403661924007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58723947 + ... + 59659946.

Almost surely, 2^{55403661924000} is an apocalyptic number.

55403661924000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55403661924000 is an abundant number, since it is smaller than the sum of its proper divisors (156349135738224).

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

55403661924000 is a wasteful number, since it uses less digits than its factorization.

55403661924000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118383937 (or 118383916 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 55403661924000 in words is "fifty-five trillion, four hundred three billion, six hundred sixty-one million, nine hundred twenty-four thousand".