55566150 has 24 divisors (see below), whose sum is σ = 137804424. Its totient is φ = 14817600.

The previous prime is 55566143. The next prime is 55566157. The reversal of 55566150 is 5166555.

It is an interprime number because it is at equal distance from previous prime (55566143) and next prime (55566157).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55566157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185071 + ... + 185370.

It is an arithmetic number, because the mean of its divisors is an integer number (5741851).

Almost surely, 2^55566150 is an apocalyptic number.

55566150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55566150 is an abundant number, since it is smaller than the sum of its proper divisors (82238274).

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

55566150 is a wasteful number, since it uses less digits than its factorization.

55566150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370456 (or 370451 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55566150 is about 7454.2705880589. The cubic root of 55566150 is about 381.5956678657.

The spelling of 55566150 in words is "fifty-five million, five hundred sixty-six thousand, one hundred fifty".