56477237 has 4 divisors (see below), whose sum is σ = 56500416. Its totient is φ = 56454060.

The previous prime is 56477227. The next prime is 56477243. The reversal of 56477237 is 73277465.

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 56477237 - 2⁶ = 56477173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56477194 and 56477203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56477227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7439 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (14125104).

Almost surely, 2^56477237 is an apocalyptic number.

It is an amenable number.

56477237 is a deficient number, since it is larger than the sum of its proper divisors (23179).

56477237 is a wasteful number, since it uses less digits than its factorization.

56477237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23178.

The product of its digits is 246960, while the sum is 41.

The square root of 56477237 is about 7515.1338644099. The cubic root of 56477237 is about 383.6699751434.

The spelling of 56477237 in words is "fifty-six million, four hundred seventy-seven thousand, two hundred thirty-seven".