56618038 has 4 divisors (see below), whose sum is σ = 84927060. Its totient is φ = 28309018.

The previous prime is 56618021. The next prime is 56618047. The reversal of 56618038 is 83081665.

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

It is a junction number, because it is equal to n+sod(n) for n = 56617988 and 56618006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14154508 + ... + 14154511.

It is an arithmetic number, because the mean of its divisors is an integer number (21231765).

Almost surely, 2^56618038 is an apocalyptic number.

56618038 is a deficient number, since it is larger than the sum of its proper divisors (28309022).

56618038 is a wasteful number, since it uses less digits than its factorization.

56618038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28309021.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 56618038 is about 7524.4958635114. The cubic root of 56618038 is about 383.9885476547.

The spelling of 56618038 in words is "fifty-six million, six hundred eighteen thousand, thirty-eight".