56877533 has 8 divisors (see below), whose sum is σ = 58469688. Its totient is φ = 55304704.

The previous prime is 56877511. The next prime is 56877553. The reversal of 56877533 is 33577865.

It can be written as a sum of positive squares in 4 ways, for example, as 597529 + 56280004 = 773^2 + 7502^2 .

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 56877533 - 2¹⁴ = 56861149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56877553) 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, 1241 + ... + 10737.

It is an arithmetic number, because the mean of its divisors is an integer number (7308711).

Almost surely, 2^56877533 is an apocalyptic number.

56877533 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

56877533 is a deficient number, since it is larger than the sum of its proper divisors (1592155).

56877533 is a wasteful number, since it uses less digits than its factorization.

56877533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663.

The product of its digits is 529200, while the sum is 44.

The square root of 56877533 is about 7541.7194988941. The cubic root of 56877533 is about 384.5742930469.

The spelling of 56877533 in words is "fifty-six million, eight hundred seventy-seven thousand, five hundred thirty-three".