56405462 has 16 divisors (see below), whose sum is σ = 86484672. Its totient is φ = 27580800.

The previous prime is 56405449. The next prime is 56405467. The reversal of 56405462 is 26450465.

It is a super-2 number, since 2×56405462² = 6363152286866888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56405467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41843 + ... + 43169.

It is an arithmetic number, because the mean of its divisors is an integer number (5405292).

Almost surely, 2^56405462 is an apocalyptic number.

56405462 is a deficient number, since it is larger than the sum of its proper divisors (30079210).

56405462 is a wasteful number, since it uses less digits than its factorization.

56405462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 56405462 is about 7510.3569821947. The cubic root of 56405462 is about 383.5073752015.

The spelling of 56405462 in words is "fifty-six million, four hundred five thousand, four hundred sixty-two".