155552068 has 18 divisors (see below), whose sum is σ = 316659966. Its totient is φ = 66665088.

The previous prime is 155552063. The next prime is 155552081. The reversal of 155552068 is 860255551.

It can be written as a sum of positive squares in only one way, i.e., 140944384 + 14607684 = 11872^2 + 3822^2 .

It is not an unprimeable number, because it can be changed into a prime (155552063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 396621 + ... + 397012.

Almost surely, 2^155552068 is an apocalyptic number.

It is an amenable number.

155552068 is an abundant number, since it is smaller than the sum of its proper divisors (161107898).

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

155552068 is a wasteful number, since it uses less digits than its factorization.

155552068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793651 (or 793642 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

The square root of 155552068 is about 12472.0514751985. The cubic root of 155552068 is about 537.8055294148.

The spelling of 155552068 in words is "one hundred fifty-five million, five hundred fifty-two thousand, sixty-eight".