56548406 has 4 divisors (see below), whose sum is σ = 84822612. Its totient is φ = 28274202.

The previous prime is 56548399. The next prime is 56548423. The reversal of 56548406 is 60484565.

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

It is a super-2 number, since 2×56548406² = 6395444442281672, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56548406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14137100 + ... + 14137103.

It is an arithmetic number, because the mean of its divisors is an integer number (21205653).

Almost surely, 2^56548406 is an apocalyptic number.

56548406 is a deficient number, since it is larger than the sum of its proper divisors (28274206).

56548406 is a wasteful number, since it uses less digits than its factorization.

56548406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28274205.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 56548406 is about 7519.8674190440. The cubic root of 56548406 is about 383.8310662805.

The spelling of 56548406 in words is "fifty-six million, five hundred forty-eight thousand, four hundred six".