56043278 has 4 divisors (see below), whose sum is σ = 84064920. Its totient is φ = 28021638.

The previous prime is 56043277. The next prime is 56043287. The reversal of 56043278 is 87234065.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56043277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14010818 + ... + 14010821.

It is an arithmetic number, because the mean of its divisors is an integer number (21016230).

Almost surely, 2^56043278 is an apocalyptic number.

56043278 is a deficient number, since it is larger than the sum of its proper divisors (28021642).

56043278 is a wasteful number, since it uses less digits than its factorization.

56043278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28021641.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 56043278 is about 7486.2058480915. The cubic root of 56043278 is about 382.6847681237.

The spelling of 56043278 in words is "fifty-six million, forty-three thousand, two hundred seventy-eight".