56436198 has 48 divisors (see below), whose sum is σ = 139700736. Its totient is φ = 14882400.

The previous prime is 56436179. The next prime is 56436203. The reversal of 56436198 is 89163465.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3123 + ... + 11073.

It is an arithmetic number, because the mean of its divisors is an integer number (2910432).

Almost surely, 2^56436198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56436198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69850368).

56436198 is an abundant number, since it is smaller than the sum of its proper divisors (83264538).

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

56436198 is a wasteful number, since it uses less digits than its factorization.

56436198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989 (or 7976 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 56436198 is about 7512.4029444646. The cubic root of 56436198 is about 383.5770217798.

The spelling of 56436198 in words is "fifty-six million, four hundred thirty-six thousand, one hundred ninety-eight".