54839745 has 24 divisors (see below), whose sum is σ = 95472000. Its totient is φ = 29119776.

The previous prime is 54839737. The next prime is 54839777. The reversal of 54839745 is 54793845.

54839745 is a `hidden beast` number, since 548 + 39 + 74 + 5 = 666.

It is not a de Polignac number, because 54839745 - 2³ = 54839737 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 54839745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8206 + ... + 13304.

It is an arithmetic number, because the mean of its divisors is an integer number (3978000).

Almost surely, 2^54839745 is an apocalyptic number.

It is an amenable number.

54839745 is a deficient number, since it is larger than the sum of its proper divisors (40632255).

54839745 is a wasteful number, since it uses less digits than its factorization.

54839745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349 (or 5346 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 54839745 is about 7405.3862154516. The cubic root of 54839745 is about 379.9255278806.

The spelling of 54839745 in words is "fifty-four million, eight hundred thirty-nine thousand, seven hundred forty-five".