56752403 has 4 divisors (see below), whose sum is σ = 57049728. Its totient is φ = 56455080.

The previous prime is 56752393. The next prime is 56752427. The reversal of 56752403 is 30425765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30425765 = 5 ⋅6085153.

It is a cyclic number.

It is not a de Polignac number, because 56752403 - 2⁸ = 56752147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56752403.

It is not an unprimeable number, because it can be changed into a prime (56752433) 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, 148376 + ... + 148757.

It is an arithmetic number, because the mean of its divisors is an integer number (14262432).

Almost surely, 2^56752403 is an apocalyptic number.

56752403 is a deficient number, since it is larger than the sum of its proper divisors (297325).

56752403 is a wasteful number, since it uses less digits than its factorization.

56752403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297324.

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

The square root of 56752403 is about 7533.4190776831. The cubic root of 56752403 is about 384.2920661225.

The spelling of 56752403 in words is "fifty-six million, seven hundred fifty-two thousand, four hundred three".