113507550 has 72 divisors (see below), whose sum is σ = 328432104. Its totient is φ = 27938880.

The previous prime is 113507531. The next prime is 113507561. The reversal of 113507550 is 55705311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3852 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (4561557).

Almost surely, 2^113507550 is an apocalyptic number.

113507550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113507550 is an abundant number, since it is smaller than the sum of its proper divisors (214924554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113507550 is a wasteful number, since it uses less digits than its factorization.

113507550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19434 (or 19426 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 27.

The square root of 113507550 is about 10653.9922094959. The cubic root of 113507550 is about 484.1815650792.

The spelling of 113507550 in words is "one hundred thirteen million, five hundred seven thousand, five hundred fifty".