53178231 has 16 divisors (see below), whose sum is σ = 74156544. Its totient is φ = 33833184.

The previous prime is 53178211. The next prime is 53178241. The reversal of 53178231 is 13287135.

It is not a de Polignac number, because 53178231 - 2¹⁴ = 53161847 is a prime.

It is a super-2 number, since 2×53178231² = 5655848504578722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53178211) 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, 54510 + ... + 55476.

It is an arithmetic number, because the mean of its divisors is an integer number (4634784).

Almost surely, 2^53178231 is an apocalyptic number.

53178231 is a deficient number, since it is larger than the sum of its proper divisors (20978313).

53178231 is a wasteful number, since it uses less digits than its factorization.

53178231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its digits is 5040, while the sum is 30.

The square root of 53178231 is about 7292.3405707633. The cubic root of 53178231 is about 376.0491650475.

The spelling of 53178231 in words is "fifty-three million, one hundred seventy-eight thousand, two hundred thirty-one".