53115951 has 32 divisors (see below), whose sum is σ = 84672000. Its totient is φ = 29588160.

The previous prime is 53115949. The next prime is 53115961. The reversal of 53115951 is 15951135.

It is not a de Polignac number, because 53115951 - 2¹ = 53115949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41560 + ... + 42818.

It is an arithmetic number, because the mean of its divisors is an integer number (2646000).

Almost surely, 2^53115951 is an apocalyptic number.

53115951 is a deficient number, since it is larger than the sum of its proper divisors (31556049).

53115951 is a wasteful number, since it uses less digits than its factorization.

53115951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1310 counting only the distinct ones).

The product of its digits is 3375, while the sum is 30.

The square root of 53115951 is about 7288.0690858416. The cubic root of 53115951 is about 375.9023036316.

The spelling of 53115951 in words is "fifty-three million, one hundred fifteen thousand, nine hundred fifty-one".