155560256 has 28 divisors (see below), whose sum is σ = 309372000. Its totient is φ = 77608320.

The previous prime is 155560253. The next prime is 155560261. The reversal of 155560256 is 652065551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155560253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29501 + ... + 34371.

It is an arithmetic number, because the mean of its divisors is an integer number (11049000).

Almost surely, 2^155560256 is an apocalyptic number.

155560256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155560256 is a deficient number, since it is larger than the sum of its proper divisors (153811744).

155560256 is an equidigital number, since it uses as much as digits as its factorization.

155560256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5382 (or 5372 counting only the distinct ones).

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

The square root of 155560256 is about 12472.3797248160. The cubic root of 155560256 is about 537.8149656429.

The spelling of 155560256 in words is "one hundred fifty-five million, five hundred sixty thousand, two hundred fifty-six".