55520150 has 96 divisors (see below), whose sum is σ = 124867008. Its totient is φ = 17971200.

The previous prime is 55520149. The next prime is 55520159. The reversal of 55520150 is 5102555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55520159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 760514 + ... + 760586.

It is an arithmetic number, because the mean of its divisors is an integer number (1300698).

Almost surely, 2^55520150 is an apocalyptic number.

55520150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55520150 is an abundant number, since it is smaller than the sum of its proper divisors (69346858).

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

55520150 is a wasteful number, since it uses less digits than its factorization.

55520150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 55520150 is about 7451.1844695994. The cubic root of 55520150 is about 381.4903384714.

The spelling of 55520150 in words is "fifty-five million, five hundred twenty thousand, one hundred fifty".