15155056 has 40 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 6354624.

The previous prime is 15155029. The next prime is 15155057. The reversal of 15155056 is 65055151.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15155057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (857088).

Almost surely, 2^15155056 is an apocalyptic number.

15155056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15155056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17141760).

15155056 is an abundant number, since it is smaller than the sum of its proper divisors (19128464).

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

15155056 is a wasteful number, since it uses less digits than its factorization.

15155056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941 (or 2935 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 15155056 is about 3892.9495244609. The cubic root of 15155056 is about 247.4680760103.

The spelling of 15155056 in words is "fifteen million, one hundred fifty-five thousand, fifty-six".