56402743 has 8 divisors (see below), whose sum is σ = 57116736. Its totient is φ = 55692000.

The previous prime is 56402741. The next prime is 56402777. The reversal of 56402743 is 34720465.

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 56402743 - 2¹ = 56402741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56402741) 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, 61458 + ... + 62368.

It is an arithmetic number, because the mean of its divisors is an integer number (7139592).

Almost surely, 2^56402743 is an apocalyptic number.

56402743 is a deficient number, since it is larger than the sum of its proper divisors (713993).

56402743 is a wasteful number, since it uses less digits than its factorization.

56402743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 56402743 is about 7510.1759633180. The cubic root of 56402743 is about 383.5012128354.

The spelling of 56402743 in words is "fifty-six million, four hundred two thousand, seven hundred forty-three".