56939454 has 72 divisors (see below), whose sum is σ = 146107416. Its totient is φ = 15919200.

The previous prime is 56939453. The next prime is 56939459. The reversal of 56939454 is 45493965.

56939454 is a `hidden beast` number, since 569 + 39 + 4 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56939453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27309 + ... + 29319.

Almost surely, 2^56939454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56939454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73053708).

56939454 is an abundant number, since it is smaller than the sum of its proper divisors (89167962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56939454 is a wasteful number, since it uses less digits than its factorization.

56939454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2040 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 56939454 is about 7545.8236130988. The cubic root of 56939454 is about 384.7138009051.

The spelling of 56939454 in words is "fifty-six million, nine hundred thirty-nine thousand, four hundred fifty-four".