56420995 has 4 divisors (see below), whose sum is σ = 67705200. Its totient is φ = 45136792.

The previous prime is 56420971. The next prime is 56421017. The reversal of 56420995 is 59902465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56420995 - 2¹³ = 56412803 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5642095 + ... + 5642104.

It is an arithmetic number, because the mean of its divisors is an integer number (16926300).

Almost surely, 2^56420995 is an apocalyptic number.

56420995 is a deficient number, since it is larger than the sum of its proper divisors (11284205).

56420995 is a wasteful number, since it uses less digits than its factorization.

56420995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11284204.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 56420995 is about 7511.3910163165. The cubic root of 56420995 is about 383.5425755356.

The spelling of 56420995 in words is "fifty-six million, four hundred twenty thousand, nine hundred ninety-five".