56553031653100 has 36 divisors (see below), whose sum is σ = 124551721667464. Its totient is φ = 22283582618880.

The previous prime is 56553031653089. The next prime is 56553031653103. The reversal of 56553031653100 is 135613035565.

It is a super-2 number, since 2×56553031653100² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56553031653103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4220368797 + ... + 4220382196.

Almost surely, 2^{56553031653100} is an apocalyptic number.

56553031653100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56553031653100 is an abundant number, since it is smaller than the sum of its proper divisors (67998690014364).

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

56553031653100 is a wasteful number, since it uses less digits than its factorization.

56553031653100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8440751074 (or 8440751067 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 43.

Adding to 56553031653100 its reverse (135613035565), we get a palindrome (56688644688665).

The spelling of 56553031653100 in words is "fifty-six trillion, five hundred fifty-three billion, thirty-one million, six hundred fifty-three thousand, one hundred".