56053487 has 16 divisors (see below), whose sum is σ = 66834432. Its totient is φ = 45999360.

The previous prime is 56053463. The next prime is 56053493. The reversal of 56053487 is 78435065.

It is a cyclic number.

It is not a de Polignac number, because 56053487 - 2¹⁴ = 56037103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56053487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56053427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19718 + ... + 22380.

It is an arithmetic number, because the mean of its divisors is an integer number (4177152).

Almost surely, 2^56053487 is an apocalyptic number.

56053487 is a deficient number, since it is larger than the sum of its proper divisors (10780945).

56053487 is a wasteful number, since it uses less digits than its factorization.

56053487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 56053487 is about 7486.8876711221. The cubic root of 56053487 is about 382.7080036882.

The spelling of 56053487 in words is "fifty-six million, fifty-three thousand, four hundred eighty-seven".