56139098 has 4 divisors (see below), whose sum is σ = 84208650. Its totient is φ = 28069548.

The previous prime is 56139089. The next prime is 56139131. The reversal of 56139098 is 89093165.

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., 42471289 + 13667809 = 6517^2 + 3697^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14034773 + ... + 14034776.

Almost surely, 2^56139098 is an apocalyptic number.

56139098 is a deficient number, since it is larger than the sum of its proper divisors (28069552).

56139098 is a wasteful number, since it uses less digits than its factorization.

56139098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28069551.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 56139098 is about 7492.6028855132. The cubic root of 56139098 is about 382.9027423835.

The spelling of 56139098 in words is "fifty-six million, one hundred thirty-nine thousand, ninety-eight".