155556260 has 12 divisors (see below), whose sum is σ = 326668188. Its totient is φ = 62222496.

The previous prime is 155556259. The next prime is 155556277. The reversal of 155556260 is 62655551.

155556260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55115776 + 100440484 = 7424^2 + 10022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155556260.

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, 3888887 + ... + 3888926.

It is an arithmetic number, because the mean of its divisors is an integer number (27222349).

Almost surely, 2^155556260 is an apocalyptic number.

155556260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155556260 is an abundant number, since it is smaller than the sum of its proper divisors (171111928).

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

155556260 is a wasteful number, since it uses less digits than its factorization.

155556260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777822 (or 7777820 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 155556260 is about 12472.2195298191. The cubic root of 155556260 is about 537.8103605099.

The spelling of 155556260 in words is "one hundred fifty-five million, five hundred fifty-six thousand, two hundred sixty".