56213042 has 4 divisors (see below), whose sum is σ = 84319566. Its totient is φ = 28106520.

The previous prime is 56213021. The next prime is 56213051. The reversal of 56213042 is 24031265.

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

It can be written as a sum of positive squares in only one way, i.e., 55368481 + 844561 = 7441^2 + 919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56212999 and 56213017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14053259 + ... + 14053262.

Almost surely, 2^56213042 is an apocalyptic number.

56213042 is a deficient number, since it is larger than the sum of its proper divisors (28106524).

56213042 is a wasteful number, since it uses less digits than its factorization.

56213042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28106523.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 56213042 is about 7497.5357284911. The cubic root of 56213042 is about 383.0707829555.

The spelling of 56213042 in words is "fifty-six million, two hundred thirteen thousand, forty-two".