56494399 has 4 divisors (see below), whose sum is σ = 60840136. Its totient is φ = 52148664.

The previous prime is 56494387. The next prime is 56494421. The reversal of 56494399 is 99349465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99349465 = 5 ⋅19869893.

It is a cyclic number.

It is not a de Polignac number, because 56494399 - 2¹³ = 56486207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56494499) 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, 2172849 + ... + 2172874.

It is an arithmetic number, because the mean of its divisors is an integer number (15210034).

Almost surely, 2^56494399 is an apocalyptic number.

56494399 is a deficient number, since it is larger than the sum of its proper divisors (4345737).

56494399 is a wasteful number, since it uses less digits than its factorization.

56494399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345736.

The product of its digits is 1049760, while the sum is 49.

The square root of 56494399 is about 7516.2756069745. The cubic root of 56494399 is about 383.7088337327.

The spelling of 56494399 in words is "fifty-six million, four hundred ninety-four thousand, three hundred ninety-nine".