56215061 has 8 divisors (see below), whose sum is σ = 65740224. Its totient is φ = 47063520.

The previous prime is 56215051. The next prime is 56215063. The reversal of 56215061 is 16051265.

56215061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56215061 - 2¹⁴ = 56198677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56215061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56215063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93080 + ... + 93681.

It is an arithmetic number, because the mean of its divisors is an integer number (8217528).

Almost surely, 2^56215061 is an apocalyptic number.

It is an amenable number.

56215061 is a deficient number, since it is larger than the sum of its proper divisors (9525163).

56215061 is a wasteful number, since it uses less digits than its factorization.

56215061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186811.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 56215061 is about 7497.6703715221. The cubic root of 56215061 is about 383.0753691430.

The spelling of 56215061 in words is "fifty-six million, two hundred fifteen thousand, sixty-one".