56421464 has 32 divisors (see below), whose sum is σ = 117374400. Its totient is φ = 25209120.

The previous prime is 56421439. The next prime is 56421467. The reversal of 56421464 is 46412465.

It is a self number, because there is not a number n which added to its sum of digits gives 56421464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56421467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 10625.

It is an arithmetic number, because the mean of its divisors is an integer number (3667950).

Almost surely, 2^56421464 is an apocalyptic number.

It is an amenable number.

56421464 is an abundant number, since it is smaller than the sum of its proper divisors (60952936).

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

56421464 is a wasteful number, since it uses less digits than its factorization.

56421464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943 (or 10939 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 56421464 is about 7511.4222355024. The cubic root of 56421464 is about 383.5436382663.

The spelling of 56421464 in words is "fifty-six million, four hundred twenty-one thousand, four hundred sixty-four".