155610552 has 16 divisors (see below), whose sum is σ = 389026440. Its totient is φ = 51870176.

The previous prime is 155610541. The next prime is 155610613. The reversal of 155610552 is 255016551.

155610552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3241863 + ... + 3241910.

Almost surely, 2^155610552 is an apocalyptic number.

155610552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155610552 is an abundant number, since it is smaller than the sum of its proper divisors (233415888).

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

155610552 is a wasteful number, since it uses less digits than its factorization.

155610552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483782 (or 6483778 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 155610552 is about 12474.3958571147. The cubic root of 155610552 is about 537.8729218062.

The spelling of 155610552 in words is "one hundred fifty-five million, six hundred ten thousand, five hundred fifty-two".