56636151 has 16 divisors (see below), whose sum is σ = 88717440. Its totient is φ = 31684320.

The previous prime is 56636149. The next prime is 56636161. The reversal of 56636151 is 15163665.

It is not a de Polignac number, because 56636151 - 2¹ = 56636149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56636141) 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, 65581 + ... + 66438.

It is an arithmetic number, because the mean of its divisors is an integer number (5544840).

Almost surely, 2^56636151 is an apocalyptic number.

56636151 is a deficient number, since it is larger than the sum of its proper divisors (32081289).

56636151 is a wasteful number, since it uses less digits than its factorization.

56636151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132046.

The product of its digits is 16200, while the sum is 33.

The square root of 56636151 is about 7525.6993694938. The cubic root of 56636151 is about 384.0294912788.

The spelling of 56636151 in words is "fifty-six million, six hundred thirty-six thousand, one hundred fifty-one".