56890355 has 4 divisors (see below), whose sum is σ = 68268432. Its totient is φ = 45512280.

The previous prime is 56890343. The next prime is 56890357. The reversal of 56890355 is 55309865.

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

It is not a de Polignac number, because 56890355 - 2¹⁰ = 56889331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56890357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5689031 + ... + 5689040.

It is an arithmetic number, because the mean of its divisors is an integer number (17067108).

Almost surely, 2^56890355 is an apocalyptic number.

56890355 is a deficient number, since it is larger than the sum of its proper divisors (11378077).

56890355 is a wasteful number, since it uses less digits than its factorization.

56890355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11378076.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 56890355 is about 7542.5695223843. The cubic root of 56890355 is about 384.6031892902.

The spelling of 56890355 in words is "fifty-six million, eight hundred ninety thousand, three hundred fifty-five".