53974957 has 4 divisors (see below), whose sum is σ = 54010720. Its totient is φ = 53939196.

The previous prime is 53974919. The next prime is 53974961. The reversal of 53974957 is 75947935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53974957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53974957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53974967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15513 + ... + 18670.

It is an arithmetic number, because the mean of its divisors is an integer number (13502680).

Almost surely, 2^53974957 is an apocalyptic number.

It is an amenable number.

53974957 is a deficient number, since it is larger than the sum of its proper divisors (35763).

53974957 is a wasteful number, since it uses less digits than its factorization.

53974957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35762.

The product of its digits is 1190700, while the sum is 49.

The square root of 53974957 is about 7346.7650704239. The cubic root of 53974957 is about 377.9178759284.

The spelling of 53974957 in words is "fifty-three million, nine hundred seventy-four thousand, nine hundred fifty-seven".