52917551 has 4 divisors (see below), whose sum is σ = 52950432. Its totient is φ = 52884672.

The previous prime is 52917539. The next prime is 52917587. The reversal of 52917551 is 15571925.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52917551 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 (52917521) 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, 13895 + ... + 17288.

It is an arithmetic number, because the mean of its divisors is an integer number (13237608).

Almost surely, 2^52917551 is an apocalyptic number.

52917551 is a deficient number, since it is larger than the sum of its proper divisors (32881).

52917551 is a wasteful number, since it uses less digits than its factorization.

52917551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32880.

The product of its digits is 15750, while the sum is 35.

The square root of 52917551 is about 7274.4450647455. The cubic root of 52917551 is about 375.4336931968.

The spelling of 52917551 in words is "fifty-two million, nine hundred seventeen thousand, five hundred fifty-one".