115562553 has 4 divisors (see below), whose sum is σ = 154083408. Its totient is φ = 77041700.

The previous prime is 115562539. The next prime is 115562569. The reversal of 115562553 is 355265511.

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 a cyclic number.

It is not a de Polignac number, because 115562553 - 2⁴ = 115562537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115562053) 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, 19260423 + ... + 19260428.

It is an arithmetic number, because the mean of its divisors is an integer number (38520852).

Almost surely, 2^115562553 is an apocalyptic number.

It is an amenable number.

115562553 is a deficient number, since it is larger than the sum of its proper divisors (38520855).

115562553 is an equidigital number, since it uses as much as digits as its factorization.

115562553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38520854.

The product of its digits is 22500, while the sum is 33.

The square root of 115562553 is about 10750.0024651160. The cubic root of 115562553 is about 487.0860696751.

The spelling of 115562553 in words is "one hundred fifteen million, five hundred sixty-two thousand, five hundred fifty-three".