53415974 has 4 divisors (see below), whose sum is σ = 80123964. Its totient is φ = 26707986.

The previous prime is 53415961. The next prime is 53415979. The reversal of 53415974 is 47951435.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415979) by changing a digit.

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 as a sum of consecutive naturals, namely, 13353992 + ... + 13353995.

It is an arithmetic number, because the mean of its divisors is an integer number (20030991).

Almost surely, 2^53415974 is an apocalyptic number.

53415974 is a deficient number, since it is larger than the sum of its proper divisors (26707990).

53415974 is a wasteful number, since it uses less digits than its factorization.

53415974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26707989.

The product of its digits is 75600, while the sum is 38.

The square root of 53415974 is about 7308.6232629682. The cubic root of 53415974 is about 376.6087308322.

The spelling of 53415974 in words is "fifty-three million, four hundred fifteen thousand, nine hundred seventy-four".