56401450 has 36 divisors (see below), whose sum is σ = 122039622. Its totient is φ = 19336800.

The previous prime is 56401441. The next prime is 56401483. The reversal of 56401450 is 5410465.

It can be written as a sum of positive squares in 3 ways, for example, as 30503529 + 25897921 = 5523^2 + 5089^2 .

It is a super-2 number, since 2×56401450² = 6362247124205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9061 + ... + 13960.

Almost surely, 2^56401450 is an apocalyptic number.

56401450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56401450 is an abundant number, since it is smaller than the sum of its proper divisors (65638172).

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

56401450 is a wasteful number, since it uses less digits than its factorization.

56401450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23047 (or 23035 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 56401450 is about 7510.0898796219. The cubic root of 56401450 is about 383.4982822991.

The spelling of 56401450 in words is "fifty-six million, four hundred one thousand, four hundred fifty".