55321150 has 12 divisors (see below), whose sum is σ = 102897432. Its totient is φ = 22128440.

The previous prime is 55321129. The next prime is 55321151. The reversal of 55321150 is 5112355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55321151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553162 + ... + 553261.

It is an arithmetic number, because the mean of its divisors is an integer number (8574786).

Almost surely, 2^55321150 is an apocalyptic number.

55321150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55321150 is a deficient number, since it is larger than the sum of its proper divisors (47576282).

55321150 is a wasteful number, since it uses less digits than its factorization.

55321150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106435 (or 1106430 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55321150 is about 7437.8189007262. The cubic root of 55321150 is about 381.0340028851.

The spelling of 55321150 in words is "fifty-five million, three hundred twenty-one thousand, one hundred fifty".