115624555 has 4 divisors (see below), whose sum is σ = 138749472. Its totient is φ = 92499640.

The previous prime is 115624543. The next prime is 115624571. The reversal of 115624555 is 555426511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555426511 = 2293 ⋅242227.

It is not a de Polignac number, because 115624555 - 2¹³ = 115616363 is a prime.

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 115624555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11562451 + ... + 11562460.

It is an arithmetic number, because the mean of its divisors is an integer number (34687368).

Almost surely, 2^115624555 is an apocalyptic number.

115624555 is a deficient number, since it is larger than the sum of its proper divisors (23124917).

115624555 is an equidigital number, since it uses as much as digits as its factorization.

115624555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23124916.

The product of its digits is 30000, while the sum is 34.

The square root of 115624555 is about 10752.8858917037. The cubic root of 115624555 is about 487.1731651059.

The spelling of 115624555 in words is "one hundred fifteen million, six hundred twenty-four thousand, five hundred fifty-five".