155053856 has 24 divisors (see below), whose sum is σ = 318536064. Its totient is φ = 74155840.

The previous prime is 155053837. The next prime is 155053859. The reversal of 155053856 is 658350551.

It is not an unprimeable number, because it can be changed into a prime (155053859) 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, 104600 + ... + 106071.

It is an arithmetic number, because the mean of its divisors is an integer number (13272336).

Almost surely, 2^155053856 is an apocalyptic number.

155053856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155053856 is an abundant number, since it is smaller than the sum of its proper divisors (163482208).

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

155053856 is a wasteful number, since it uses less digits than its factorization.

155053856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210704 (or 210696 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 155053856 is about 12452.0623191502. The cubic root of 155053856 is about 537.2307428034.

The spelling of 155053856 in words is "one hundred fifty-five million, fifty-three thousand, eight hundred fifty-six".