56456445 has 8 divisors (see below), whose sum is σ = 90330336. Its totient is φ = 30110096.

The previous prime is 56456423. The next prime is 56456461. The reversal of 56456445 is 54465465.

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 56456445 - 2⁶ = 56456381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1881867 + ... + 1881896.

It is an arithmetic number, because the mean of its divisors is an integer number (11291292).

Almost surely, 2^56456445 is an apocalyptic number.

It is an amenable number.

56456445 is a deficient number, since it is larger than the sum of its proper divisors (33873891).

56456445 is a wasteful number, since it uses less digits than its factorization.

56456445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763771.

The product of its digits is 288000, while the sum is 39.

The square root of 56456445 is about 7513.7503951090. The cubic root of 56456445 is about 383.6228868787.

It can be divided in two parts, 5645 and 6445, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 56456445 in words is "fifty-six million, four hundred fifty-six thousand, four hundred forty-five".