56406946 has 8 divisors (see below), whose sum is σ = 86207004. Its totient is φ = 27671280.

The previous prime is 56406937. The next prime is 56406947. The reversal of 56406946 is 64960465.

It can be written as a sum of positive squares in 2 ways, for example, as 55577025 + 829921 = 7455^2 + 911^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 56406899 and 56406908.

It is not an unprimeable number, because it can be changed into a prime (56406947) 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, 265965 + ... + 266176.

Almost surely, 2^56406946 is an apocalyptic number.

56406946 is a deficient number, since it is larger than the sum of its proper divisors (29800058).

56406946 is a wasteful number, since it uses less digits than its factorization.

56406946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532196.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 56406946 is about 7510.4557784465. The cubic root of 56406946 is about 383.5107384689.

The spelling of 56406946 in words is "fifty-six million, four hundred six thousand, nine hundred forty-six".