56477501 has 4 divisors (see below), whose sum is σ = 56505600. Its totient is φ = 56449404.

The previous prime is 56477479. The next prime is 56477527. The reversal of 56477501 is 10577465.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10577465 = 5 ⋅2115493.

It is a cyclic number.

It is not a de Polignac number, because 56477501 - 2⁶ = 56477437 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 (56477591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10781 + ... + 15138.

It is an arithmetic number, because the mean of its divisors is an integer number (14126400).

Almost surely, 2^56477501 is an apocalyptic number.

It is an amenable number.

56477501 is a deficient number, since it is larger than the sum of its proper divisors (28099).

56477501 is a wasteful number, since it uses less digits than its factorization.

56477501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28098.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 56477501 is about 7515.1514289467. The cubic root of 56477501 is about 383.6705729578.

The spelling of 56477501 in words is "fifty-six million, four hundred seventy-seven thousand, five hundred one".