115553953 has 4 divisors (see below), whose sum is σ = 121635760. Its totient is φ = 109472148.

The previous prime is 115553903. The next prime is 115553969. The reversal of 115553953 is 359355511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 115553953 - 2⁹ = 115553441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115553903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3040875 + ... + 3040912.

It is an arithmetic number, because the mean of its divisors is an integer number (30408940).

Almost surely, 2^115553953 is an apocalyptic number.

It is an amenable number.

115553953 is a deficient number, since it is larger than the sum of its proper divisors (6081807).

115553953 is an equidigital number, since it uses as much as digits as its factorization.

115553953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081806.

The product of its digits is 50625, while the sum is 37.

The square root of 115553953 is about 10749.6024577656. The cubic root of 115553953 is about 487.0739866256.

The spelling of 115553953 in words is "one hundred fifteen million, five hundred fifty-three thousand, nine hundred fifty-three".