53330157 has 20 divisors (see below), whose sum is σ = 79878876. Its totient is φ = 35458560.

The previous prime is 53330149. The next prime is 53330161. The reversal of 53330157 is 75103335.

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 33802596 = 4419^2 + 5814^2 .

It is not a de Polignac number, because 53330157 - 2³ = 53330149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53330157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53330107) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43213 + ... + 44429.

Almost surely, 2^53330157 is an apocalyptic number.

It is an amenable number.

53330157 is a deficient number, since it is larger than the sum of its proper divisors (26548719).

53330157 is a wasteful number, since it uses less digits than its factorization.

53330157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 27.

The square root of 53330157 is about 7302.7499614871. The cubic root of 53330157 is about 376.4069387938.

The spelling of 53330157 in words is "fifty-three million, three hundred thirty thousand, one hundred fifty-seven".