56199798 has 32 divisors (see below), whose sum is σ = 126403200. Its totient is φ = 18506088.

The previous prime is 56199797. The next prime is 56199799. The reversal of 56199798 is 89799165.

56199798 is a `hidden beast` number, since 561 + 9 + 9 + 79 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (56199797) and next prime (56199799).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56199797) 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, 1788 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (3950100).

Almost surely, 2^56199798 is an apocalyptic number.

56199798 is an abundant number, since it is smaller than the sum of its proper divisors (70203402).

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

56199798 is a wasteful number, since it uses less digits than its factorization.

56199798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12633 (or 12627 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 56199798 is about 7496.6524529286. The cubic root of 56199798 is about 383.0406962962.

The spelling of 56199798 in words is "fifty-six million, one hundred ninety-nine thousand, seven hundred ninety-eight".