53566531400 has 24 divisors (see below), whose sum is σ = 124542185970. Its totient is φ = 21426612480.

The previous prime is 53566531379. The next prime is 53566531409. The reversal of 53566531400 is 413566535.

It can be written as a sum of positive squares in 3 ways, for example, as 38839738084 + 14726793316 = 197078^2 + 121354^2 .

It is not an unprimeable number, because it can be changed into a prime (53566531409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133916129 + ... + 133916528.

Almost surely, 2^53566531400 is an apocalyptic number.

53566531400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53566531400 is an abundant number, since it is smaller than the sum of its proper divisors (70975654570).

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

53566531400 is a wasteful number, since it uses less digits than its factorization.

53566531400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267832673 (or 267832664 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 53566531400 in words is "fifty-three billion, five hundred sixty-six million, five hundred thirty-one thousand, four hundred".