56454494 has 4 divisors (see below), whose sum is σ = 84681744. Its totient is φ = 28227246.

The previous prime is 56454493. The next prime is 56454511. The reversal of 56454494 is 49445465.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56454493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14113622 + ... + 14113625.

It is an arithmetic number, because the mean of its divisors is an integer number (21170436).

Almost surely, 2^56454494 is an apocalyptic number.

56454494 is a deficient number, since it is larger than the sum of its proper divisors (28227250).

56454494 is a wasteful number, since it uses less digits than its factorization.

56454494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28227249.

The product of its digits is 345600, while the sum is 41.

The square root of 56454494 is about 7513.6205653466. The cubic root of 56454494 is about 383.6184677973.

The spelling of 56454494 in words is "fifty-six million, four hundred fifty-four thousand, four hundred ninety-four".