56421702 has 24 divisors (see below), whose sum is σ = 122555160. Its totient is φ = 18759840.

The previous prime is 56421689. The next prime is 56421787. The reversal of 56421702 is 20712465.

56421702 is a `hidden beast` number, since 5 + 642 + 17 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3802 + ... + 11282.

It is an arithmetic number, because the mean of its divisors is an integer number (5106465).

Almost surely, 2^56421702 is an apocalyptic number.

56421702 is an abundant number, since it is smaller than the sum of its proper divisors (66133458).

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

56421702 is a wasteful number, since it uses less digits than its factorization.

56421702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908 (or 7905 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 56421702 is about 7511.4380780247. The cubic root of 56421702 is about 383.5441775602.

The spelling of 56421702 in words is "fifty-six million, four hundred twenty-one thousand, seven hundred two".