52554157 has 4 divisors (see below), whose sum is σ = 55645596. Its totient is φ = 49462720.

The previous prime is 52554143. The next prime is 52554167. The reversal of 52554157 is 75145525.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21261321 + 31292836 = 4611^2 + 5594^2 .

It is a cyclic number.

It is not a de Polignac number, because 52554157 - 2²³ = 44165549 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 (52554107) 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, 1545694 + ... + 1545727.

It is an arithmetic number, because the mean of its divisors is an integer number (13911399).

Almost surely, 2^52554157 is an apocalyptic number.

It is an amenable number.

52554157 is a deficient number, since it is larger than the sum of its proper divisors (3091439).

52554157 is a wasteful number, since it uses less digits than its factorization.

52554157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091438.

The product of its digits is 35000, while the sum is 34.

The square root of 52554157 is about 7249.4245978560. The cubic root of 52554157 is about 374.5723290381.

The spelling of 52554157 in words is "fifty-two million, five hundred fifty-four thousand, one hundred fifty-seven".