56490248 has 8 divisors (see below), whose sum is σ = 105919230. Its totient is φ = 28245120.

The previous prime is 56490223. The next prime is 56490253. The reversal of 56490248 is 84209465.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 11035684 = 6742^2 + 3322^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×56490248² = 6382296238203008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3530633 + ... + 3530648.

Almost surely, 2^56490248 is an apocalyptic number.

It is an amenable number.

56490248 is a deficient number, since it is larger than the sum of its proper divisors (49428982).

56490248 is a wasteful number, since it uses less digits than its factorization.

56490248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7061287 (or 7061283 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 56490248 is about 7515.9994678020. Note that the first 3 decimals coincide. The cubic root of 56490248 is about 383.6994356660.

The spelling of 56490248 in words is "fifty-six million, four hundred ninety thousand, two hundred forty-eight".