113578553 has 4 divisors (see below), whose sum is σ = 123903888. Its totient is φ = 103253220.

The previous prime is 113578541. The next prime is 113578559. The reversal of 113578553 is 355875311.

It is a happy number.

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 113578553 - 2¹⁶ = 113513017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113578559) 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, 5162651 + ... + 5162672.

It is an arithmetic number, because the mean of its divisors is an integer number (30975972).

Almost surely, 2^113578553 is an apocalyptic number.

It is an amenable number.

113578553 is a deficient number, since it is larger than the sum of its proper divisors (10325335).

113578553 is a wasteful number, since it uses less digits than its factorization.

113578553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325334.

The product of its digits is 63000, while the sum is 38.

The square root of 113578553 is about 10657.3239136286. The cubic root of 113578553 is about 484.2825016185.

The spelling of 113578553 in words is "one hundred thirteen million, five hundred seventy-eight thousand, five hundred fifty-three".