56015898 has 32 divisors (see below), whose sum is σ = 115430400. Its totient is φ = 18114096.

The previous prime is 56015887. The next prime is 56015899. The reversal of 56015898 is 89851065.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56015899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26965 + ... + 28967.

It is an arithmetic number, because the mean of its divisors is an integer number (3607200).

Almost surely, 2^56015898 is an apocalyptic number.

56015898 is an abundant number, since it is smaller than the sum of its proper divisors (59414502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56015898 is a wasteful number, since it uses less digits than its factorization.

56015898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146.

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 56015898 is about 7484.3769279747. The cubic root of 56015898 is about 382.6224376289.

The spelling of 56015898 in words is "fifty-six million, fifteen thousand, eight hundred ninety-eight".