56549420 has 24 divisors (see below), whose sum is σ = 122850000. Its totient is φ = 21839552.

The previous prime is 56549419. The next prime is 56549447. The reversal of 56549420 is 2494565.

It is a happy number.

56549420 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 7 ways as a sum of consecutive naturals, for example, 48170 + ... + 49329.

It is an arithmetic number, because the mean of its divisors is an integer number (5118750).

Almost surely, 2^56549420 is an apocalyptic number.

It is an amenable number.

56549420 is an abundant number, since it is smaller than the sum of its proper divisors (66300580).

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

56549420 is a wasteful number, since it uses less digits than its factorization.

56549420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97537 (or 97535 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 56549420 is about 7519.9348401432. The cubic root of 56549420 is about 383.8333604941.

The spelling of 56549420 in words is "fifty-six million, five hundred forty-nine thousand, four hundred twenty".