56406745 has 8 divisors (see below), whose sum is σ = 67760640. Its totient is φ = 45077040.

The previous prime is 56406739. The next prime is 56406751. The reversal of 56406745 is 54760465.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56406739) and next prime (56406751).

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

It is not a de Polignac number, because 56406745 - 2¹¹ = 56404697 is a prime.

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, 441 + ... + 10630.

It is an arithmetic number, because the mean of its divisors is an integer number (8470080).

Almost surely, 2^56406745 is an apocalyptic number.

It is an amenable number.

56406745 is a deficient number, since it is larger than the sum of its proper divisors (11353895).

56406745 is a wasteful number, since it uses less digits than its factorization.

56406745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12095.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 56406745 is about 7510.4423970895. The cubic root of 56406745 is about 383.5102829354.

The spelling of 56406745 in words is "fifty-six million, four hundred six thousand, seven hundred forty-five".