56248458 has 32 divisors (see below), whose sum is σ = 133004160. Its totient is φ = 15516480.

The previous prime is 56248453. The next prime is 56248459. The reversal of 56248458 is 85484265.

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

It is not an unprimeable number, because it can be changed into a prime (56248453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21873 + ... + 24308.

It is an arithmetic number, because the mean of its divisors is an integer number (4156380).

Almost surely, 2^56248458 is an apocalyptic number.

56248458 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

56248458 is an abundant number, since it is smaller than the sum of its proper divisors (76755702).

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

56248458 is a wasteful number, since it uses less digits than its factorization.

56248458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46222.

The product of its digits is 307200, while the sum is 42.

The square root of 56248458 is about 7499.8971992955. The cubic root of 56248458 is about 383.1512149821.

The spelling of 56248458 in words is "fifty-six million, two hundred forty-eight thousand, four hundred fifty-eight".