56487770 has 32 divisors (see below), whose sum is σ = 112347648. Its totient is φ = 20339968.

The previous prime is 56487757. The next prime is 56487799. The reversal of 56487770 is 7778465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3314 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (3510864).

Almost surely, 2^56487770 is an apocalyptic number.

56487770 is a deficient number, since it is larger than the sum of its proper divisors (55859878).

56487770 is a wasteful number, since it uses less digits than its factorization.

56487770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494.

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 56487770 is about 7515.8346176589. The cubic root of 56487770 is about 383.6938251336.

The spelling of 56487770 in words is "fifty-six million, four hundred eighty-seven thousand, seven hundred seventy".