125553522 has 8 divisors (see below), whose sum is σ = 251107056. Its totient is φ = 41851172.

The previous prime is 125553451. The next prime is 125553541. The reversal of 125553522 is 225355521.

It is a sphenic number, since it is the product of 3 distinct primes.

125553522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 125553522.

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, 10462788 + ... + 10462799.

It is an arithmetic number, because the mean of its divisors is an integer number (31388382).

Almost surely, 2^125553522 is an apocalyptic number.

125553522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125553522 is a wasteful number, since it uses less digits than its factorization.

125553522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20925592.

The product of its digits is 15000, while the sum is 30.

The square root of 125553522 is about 11205.0668003364. The cubic root of 125553522 is about 500.7369426308.

The spelling of 125553522 in words is "one hundred twenty-five million, five hundred fifty-three thousand, five hundred twenty-two".