56454489 has 112 divisors (see below), whose sum is σ = 111643392. Its totient is φ = 27713664.

The previous prime is 56454469. The next prime is 56454493. The reversal of 56454489 is 98445465.

56454489 is a `hidden beast` number, since 564 + 5 + 4 + 4 + 89 = 666.

It is not a de Polignac number, because 56454489 - 2¹¹ = 56452441 is a prime.

It is a super-2 number, since 2×56454489² = 6374218656502242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56454469) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1525779 + ... + 1525815.

It is an arithmetic number, because the mean of its divisors is an integer number (996816).

Almost surely, 2^56454489 is an apocalyptic number.

It is an amenable number.

56454489 is a deficient number, since it is larger than the sum of its proper divisors (55188903).

56454489 is a wasteful number, since it uses less digits than its factorization.

56454489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 83 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 56454489 is about 7513.6202326176. The cubic root of 56454489 is about 383.6184564720.

The spelling of 56454489 in words is "fifty-six million, four hundred fifty-four thousand, four hundred eighty-nine".