56051501 has 8 divisors (see below), whose sum is σ = 64365600. Its totient is φ = 48273840.

The previous prime is 56051491. The next prime is 56051509. The reversal of 56051501 is 10515065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56051501 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 (56051509) 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, 133886 + ... + 134303.

It is an arithmetic number, because the mean of its divisors is an integer number (8045700).

Almost surely, 2^56051501 is an apocalyptic number.

It is an amenable number.

56051501 is a deficient number, since it is larger than the sum of its proper divisors (8314099).

56051501 is a wasteful number, since it uses less digits than its factorization.

56051501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268219.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 56051501 is about 7486.7550380656. The cubic root of 56051501 is about 382.7034837965.

Adding to 56051501 its reverse (10515065), we get a palindrome (66566566).

It can be divided in two parts, 5 and 6051501, that added together give a palindrome (6051506).

The spelling of 56051501 in words is "fifty-six million, fifty-one thousand, five hundred one".