55615150 has 48 divisors (see below), whose sum is σ = 109037664. Its totient is φ = 21063680.

The previous prime is 55615141. The next prime is 55615163. The reversal of 55615150 is 5151655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157374 + ... + 157726.

It is an arithmetic number, because the mean of its divisors is an integer number (2271618).

Almost surely, 2^55615150 is an apocalyptic number.

55615150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55615150 is a deficient number, since it is larger than the sum of its proper divisors (53422514).

55615150 is a wasteful number, since it uses less digits than its factorization.

55615150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 520 counting only the distinct ones).

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

The square root of 55615150 is about 7457.5565703520. The cubic root of 55615150 is about 381.7078026468.

The spelling of 55615150 in words is "fifty-five million, six hundred fifteen thousand, one hundred fifty".