56401300 has 18 divisors (see below), whose sum is σ = 122391038. Its totient is φ = 22560480.

The previous prime is 56401277. The next prime is 56401321. The reversal of 56401300 is 310465.

It can be written as a sum of positive squares in 3 ways, for example, as 2202256 + 54199044 = 1484^2 + 7362^2 .

It is a super-2 number, since 2×56401300² = 6362213283380000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281907 + ... + 282106.

Almost surely, 2^56401300 is an apocalyptic number.

56401300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56401300 is an abundant number, since it is smaller than the sum of its proper divisors (65989738).

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

56401300 is a wasteful number, since it uses less digits than its factorization.

56401300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564027 (or 564020 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 56401300 is about 7510.0798930504. The cubic root of 56401300 is about 383.4979423268.

Adding to 56401300 its reverse (310465), we get a palindrome (56711765).

The spelling of 56401300 in words is "fifty-six million, four hundred one thousand, three hundred".