56532993 has 8 divisors (see below), whose sum is σ = 82229856. Its totient is φ = 34262400.

The previous prime is 56532979. The next prime is 56533013. The reversal of 56532993 is 39923565.

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

It is not a de Polignac number, because 56532993 - 2¹⁷ = 56401921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56532793) 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, 856528 + ... + 856593.

It is an arithmetic number, because the mean of its divisors is an integer number (10278732).

It is a Proth number, since it is equal to 6901 ⋅ 2¹³ + 1 and 6901 < 2¹³.

Almost surely, 2^56532993 is an apocalyptic number.

It is an amenable number.

56532993 is a deficient number, since it is larger than the sum of its proper divisors (25696863).

56532993 is a wasteful number, since it uses less digits than its factorization.

56532993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713135.

The product of its digits is 218700, while the sum is 42.

The square root of 56532993 is about 7518.8425306027. The cubic root of 56532993 is about 383.7961904032.

It can be divided in two parts, 5653 and 2993, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 56532993 in words is "fifty-six million, five hundred thirty-two thousand, nine hundred ninety-three".