56638078 has 8 divisors (see below), whose sum is σ = 97093872. Its totient is φ = 24273456.

The previous prime is 56638051. The next prime is 56638081. The reversal of 56638078 is 87083665.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022775 + ... + 2022802.

It is an arithmetic number, because the mean of its divisors is an integer number (12136734).

Almost surely, 2^56638078 is an apocalyptic number.

56638078 is a deficient number, since it is larger than the sum of its proper divisors (40455794).

56638078 is a wasteful number, since it uses less digits than its factorization.

56638078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045586.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 56638078 is about 7525.8273963731. The cubic root of 56638078 is about 384.0338466621.

The spelling of 56638078 in words is "fifty-six million, six hundred thirty-eight thousand, seventy-eight".