56102005 has 16 divisors (see below), whose sum is σ = 68745600. Its totient is φ = 43940160.

The previous prime is 56101993. The next prime is 56102009. The reversal of 56102005 is 50020165.

It is a happy number.

It is not a de Polignac number, because 56102005 - 2¹¹ = 56099957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56102009) 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, 127576 + ... + 128014.

It is an arithmetic number, because the mean of its divisors is an integer number (4296600).

Almost surely, 2^56102005 is an apocalyptic number.

It is an amenable number.

56102005 is a deficient number, since it is larger than the sum of its proper divisors (12643595).

56102005 is a wasteful number, since it uses less digits than its factorization.

56102005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 56102005 is about 7490.1271684799. The cubic root of 56102005 is about 382.8183915406.

The spelling of 56102005 in words is "fifty-six million, one hundred two thousand, five".