53155331 has 8 divisors (see below), whose sum is σ = 56222400. Its totient is φ = 50115240.

The previous prime is 53155327. The next prime is 53155337. The reversal of 53155331 is 13355135.

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

It is a cyclic number.

It is not a de Polignac number, because 53155331 - 2² = 53155327 is a prime.

It is a super-2 number, since 2×53155331² = 5650978427439122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53155331.

It is not an unprimeable number, because it can be changed into a prime (53155337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621 + ... + 10638.

It is an arithmetic number, because the mean of its divisors is an integer number (7027800).

Almost surely, 2^53155331 is an apocalyptic number.

53155331 is a deficient number, since it is larger than the sum of its proper divisors (3067069).

53155331 is a wasteful number, since it uses less digits than its factorization.

53155331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13489.

The product of its digits is 3375, while the sum is 26.

The square root of 53155331 is about 7290.7702610904. The cubic root of 53155331 is about 375.9951782806.

The spelling of 53155331 in words is "fifty-three million, one hundred fifty-five thousand, three hundred thirty-one".