56671320 has 32 divisors (see below), whose sum is σ = 170014320. Its totient is φ = 15112320.

The previous prime is 56671301. The next prime is 56671339. The reversal of 56671320 is 2317665.

It is an interprime number because it is at equal distance from previous prime (56671301) and next prime (56671339).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236011 + ... + 236250.

Almost surely, 2^56671320 is an apocalyptic number.

It is an amenable number.

56671320 is an abundant number, since it is smaller than the sum of its proper divisors (113343000).

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

56671320 is a wasteful number, since it uses less digits than its factorization.

56671320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472275 (or 472271 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 56671320 is about 7528.0356003409. The cubic root of 56671320 is about 384.1089643029.

Adding to 56671320 its reverse (2317665), we get a palindrome (58988985).

The spelling of 56671320 in words is "fifty-six million, six hundred seventy-one thousand, three hundred twenty".