56951501 has 8 divisors (see below), whose sum is σ = 58476600. Its totient is φ = 55432960.

The previous prime is 56951483. The next prime is 56951527. The reversal of 56951501 is 10515965.

It can be written as a sum of positive squares in 4 ways, for example, as 16933225 + 40018276 = 4115^2 + 6326^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56951501 - 2¹⁸ = 56689357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56951551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19505 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (7309575).

Almost surely, 2^56951501 is an apocalyptic number.

It is an amenable number.

56951501 is a deficient number, since it is larger than the sum of its proper divisors (1525099).

56951501 is a wasteful number, since it uses less digits than its factorization.

56951501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 56951501 is about 7546.6218270164. The cubic root of 56951501 is about 384.7409310115.

The spelling of 56951501 in words is "fifty-six million, nine hundred fifty-one thousand, five hundred one".