56002405 has 16 divisors (see below), whose sum is σ = 71265600. Its totient is φ = 42128640.

The previous prime is 56002361. The next prime is 56002459. The reversal of 56002405 is 50420065.

It is not a de Polignac number, because 56002405 - 2¹⁵ = 55969637 is a prime.

It is a congruent number.

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, 11085 + ... + 15325.

It is an arithmetic number, because the mean of its divisors is an integer number (4454100).

Almost surely, 2^56002405 is an apocalyptic number.

It is an amenable number.

56002405 is a deficient number, since it is larger than the sum of its proper divisors (15263195).

56002405 is a wasteful number, since it uses less digits than its factorization.

56002405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 56002405 is about 7483.4754626443. The cubic root of 56002405 is about 382.5917133802.

The spelling of 56002405 in words is "fifty-six million, two thousand, four hundred five".