56491070 has 16 divisors (see below), whose sum is σ = 102020688. Its totient is φ = 22521600.

The previous prime is 56491049. The next prime is 56491081. The reversal of 56491070 is 7019465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 12270.

It is an arithmetic number, because the mean of its divisors is an integer number (6376293).

Almost surely, 2^56491070 is an apocalyptic number.

56491070 is a deficient number, since it is larger than the sum of its proper divisors (45529618).

56491070 is a wasteful number, since it uses less digits than its factorization.

56491070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18715.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 56491070 is about 7516.0541509492. The cubic root of 56491070 is about 383.7012967507.

The spelling of 56491070 in words is "fifty-six million, four hundred ninety-one thousand, seventy".