56532407 has 4 divisors (see below), whose sum is σ = 56607456. Its totient is φ = 56457360.

The previous prime is 56532383. The next prime is 56532409. The reversal of 56532407 is 70423565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70423565 = 5 ⋅14084713.

It is a cyclic number.

It is not a de Polignac number, because 56532407 - 2¹⁴ = 56516023 is a prime.

It is a super-3 number, since 3×56532407³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56532409) 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, 36383 + ... + 37904.

It is an arithmetic number, because the mean of its divisors is an integer number (14151864).

Almost surely, 2^56532407 is an apocalyptic number.

56532407 is a deficient number, since it is larger than the sum of its proper divisors (75049).

56532407 is an equidigital number, since it uses as much as digits as its factorization.

56532407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75048.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 56532407 is about 7518.8035617377. The cubic root of 56532407 is about 383.7948643024.

The spelling of 56532407 in words is "fifty-six million, five hundred thirty-two thousand, four hundred seven".