53156213 has 16 divisors (see below), whose sum is σ = 60806592. Its totient is φ = 46032000.

The previous prime is 53156189. The next prime is 53156221. The reversal of 53156213 is 31265135.

It is a cyclic number.

It is not a de Polignac number, because 53156213 - 2¹⁸ = 52894069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53156293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18023 + ... + 20763.

It is an arithmetic number, because the mean of its divisors is an integer number (3800412).

Almost surely, 2^53156213 is an apocalyptic number.

It is an amenable number.

53156213 is a deficient number, since it is larger than the sum of its proper divisors (7650379).

53156213 is a wasteful number, since it uses less digits than its factorization.

53156213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its digits is 2700, while the sum is 26.

The square root of 53156213 is about 7290.8307482755. The cubic root of 53156213 is about 375.9972578833.

The spelling of 53156213 in words is "fifty-three million, one hundred fifty-six thousand, two hundred thirteen".