115640552 has 8 divisors (see below), whose sum is σ = 216826050. Its totient is φ = 57820272.

The previous prime is 115640543. The next prime is 115640563. The reversal of 115640552 is 255046511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 112232836 + 3407716 = 10594^2 + 1846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7227527 + ... + 7227542.

Almost surely, 2^115640552 is an apocalyptic number.

It is an amenable number.

115640552 is a deficient number, since it is larger than the sum of its proper divisors (101185498).

115640552 is a wasteful number, since it uses less digits than its factorization.

115640552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14455075 (or 14455071 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 115640552 is about 10753.6297127993. The cubic root of 115640552 is about 487.1956313538.

The spelling of 115640552 in words is "one hundred fifteen million, six hundred forty thousand, five hundred fifty-two".