56771424 has 36 divisors (see below), whose sum is σ = 161444556. Its totient is φ = 18923712.

The previous prime is 56771399. The next prime is 56771453. The reversal of 56771424 is 42417765.

56771424 is a `hidden beast` number, since 567 + 71 + 4 + 24 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98274 + ... + 98849.

It is an arithmetic number, because the mean of its divisors is an integer number (4484571).

Almost surely, 2^56771424 is an apocalyptic number.

It is an amenable number.

56771424 is an abundant number, since it is smaller than the sum of its proper divisors (104673132).

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

56771424 is a wasteful number, since it uses less digits than its factorization.

56771424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197139 (or 197128 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 56771424 is about 7534.6814133047. The cubic root of 56771424 is about 384.3349941310.

The spelling of 56771424 in words is "fifty-six million, seven hundred seventy-one thousand, four hundred twenty-four".