56401942 has 8 divisors (see below), whose sum is σ = 85990032. Its totient is φ = 27738600.

The previous prime is 56401931. The next prime is 56401951. The reversal of 56401942 is 24910465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56401942² = 6362358122742728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231034 + ... + 231277.

It is an arithmetic number, because the mean of its divisors is an integer number (10748754).

Almost surely, 2^56401942 is an apocalyptic number.

56401942 is a deficient number, since it is larger than the sum of its proper divisors (29588090).

56401942 is a wasteful number, since it uses less digits than its factorization.

56401942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462374.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 56401942 is about 7510.1226354834. The cubic root of 56401942 is about 383.4993974041.

The spelling of 56401942 in words is "fifty-six million, four hundred one thousand, nine hundred forty-two".