56031998 has 8 divisors (see below), whose sum is σ = 91688760. Its totient is φ = 25469080.

The previous prime is 56031991. The next prime is 56032003. The reversal of 56031998 is 89913065.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56031991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273433 + ... + 1273476.

It is an arithmetic number, because the mean of its divisors is an integer number (11461095).

Almost surely, 2^56031998 is an apocalyptic number.

56031998 is a deficient number, since it is larger than the sum of its proper divisors (35656762).

56031998 is a wasteful number, since it uses less digits than its factorization.

56031998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546922.

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

The square root of 56031998 is about 7485.4524245365. The cubic root of 56031998 is about 382.6590916942.

The spelling of 56031998 in words is "fifty-six million, thirty-one thousand, nine hundred ninety-eight".