56273490 has 96 divisors (see below), whose sum is σ = 180101376. Its totient is φ = 11871360.

The previous prime is 56273473. The next prime is 56273509. The reversal of 56273490 is 9437265.

56273490 is a `hidden beast` number, since 562 + 7 + 3 + 4 + 90 = 666.

56273490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4755 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (1876056).

Almost surely, 2^56273490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56273490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90050688).

56273490 is an abundant number, since it is smaller than the sum of its proper divisors (123827886).

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

56273490 is a wasteful number, since it uses less digits than its factorization.

56273490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904 (or 6901 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 56273490 is about 7501.5658365437. The cubic root of 56273490 is about 383.2080439107.

The spelling of 56273490 in words is "fifty-six million, two hundred seventy-three thousand, four hundred ninety".