53494479 has 8 divisors (see below), whose sum is σ = 79251120. Its totient is φ = 35662968.

The previous prime is 53494477. The next prime is 53494487. The reversal of 53494479 is 97449435.

It is a happy number.

53494479 is a `hidden beast` number, since 534 + 9 + 44 + 79 = 666.

It is not a de Polignac number, because 53494479 - 2¹ = 53494477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53494471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990612 + ... + 990665.

It is an arithmetic number, because the mean of its divisors is an integer number (9906390).

Almost surely, 2^53494479 is an apocalyptic number.

53494479 is a deficient number, since it is larger than the sum of its proper divisors (25756641).

53494479 is a wasteful number, since it uses less digits than its factorization.

53494479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981286 (or 1981280 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 53494479 is about 7313.9920016363. The cubic root of 53494479 is about 376.7931400634.

The spelling of 53494479 in words is "fifty-three million, four hundred ninety-four thousand, four hundred seventy-nine".