56125501 has 4 divisors (see below), whose sum is σ = 56181600. Its totient is φ = 56069404.

The previous prime is 56125499. The next prime is 56125519. The reversal of 56125501 is 10552165.

56125501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56125501 - 2¹ = 56125499 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 (56125561) 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 3 ways as a sum of consecutive naturals, for example, 26521 + ... + 28558.

It is an arithmetic number, because the mean of its divisors is an integer number (14045400).

Almost surely, 2^56125501 is an apocalyptic number.

It is an amenable number.

56125501 is a deficient number, since it is larger than the sum of its proper divisors (56099).

56125501 is a wasteful number, since it uses less digits than its factorization.

56125501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56098.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 56125501 is about 7491.6954689843. The cubic root of 56125501 is about 382.8718266215.

Adding to 56125501 its reverse (10552165), we get a palindrome (66677666).

It can be divided in two parts, 561 and 25501, that added together give a palindrome (26062).

The spelling of 56125501 in words is "fifty-six million, one hundred twenty-five thousand, five hundred one".