53118851 has 8 divisors (see below), whose sum is σ = 56459520. Its totient is φ = 49832712.

The previous prime is 53118839. The next prime is 53118853. The reversal of 53118851 is 15881135.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53118851 is a prime.

It is a super-2 number, since 2×53118851² = 5643224663120402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53118853) 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, 11615 + ... + 15528.

It is an arithmetic number, because the mean of its divisors is an integer number (7057440).

Almost surely, 2^53118851 is an apocalyptic number.

53118851 is a deficient number, since it is larger than the sum of its proper divisors (3340669).

53118851 is a wasteful number, since it uses less digits than its factorization.

53118851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27265.

The product of its digits is 4800, while the sum is 32.

The square root of 53118851 is about 7288.2680384300. The cubic root of 53118851 is about 375.9091446201.

Adding to 53118851 its reverse (15881135), we get a palindrome (68999986).

The spelling of 53118851 in words is "fifty-three million, one hundred eighteen thousand, eight hundred fifty-one".