53228157 has 8 divisors (see below), whose sum is σ = 71005440. Its totient is φ = 35468160.

The previous prime is 53228129. The next prime is 53228167. The reversal of 53228157 is 75182235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53228157 - 2¹⁰ = 53227133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53228107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7444 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (8875680).

Almost surely, 2^53228157 is an apocalyptic number.

It is an amenable number.

53228157 is a deficient number, since it is larger than the sum of its proper divisors (17777283).

53228157 is a wasteful number, since it uses less digits than its factorization.

53228157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643.

The product of its digits is 16800, while the sum is 33.

The square root of 53228157 is about 7295.7629484517. The cubic root of 53228157 is about 376.1668119233.

The spelling of 53228157 in words is "fifty-three million, two hundred twenty-eight thousand, one hundred fifty-seven".