56220148 has 6 divisors (see below), whose sum is σ = 98385266. Its totient is φ = 28110072.

The previous prime is 56220127. The next prime is 56220161. The reversal of 56220148 is 84102265.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 144 = 7498^2 + 12^2 .

It is a super-2 number, since 2×56220148² = 6321410082283808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7027515 + ... + 7027522.

Almost surely, 2^56220148 is an apocalyptic number.

It is an amenable number.

56220148 is a deficient number, since it is larger than the sum of its proper divisors (42165118).

56220148 is a wasteful number, since it uses less digits than its factorization.

56220148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14055041 (or 14055039 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 56220148 is about 7498.0096025545. The cubic root of 56220148 is about 383.0869238497.

The spelling of 56220148 in words is "fifty-six million, two hundred twenty thousand, one hundred forty-eight".