55490150 has 24 divisors (see below), whose sum is σ = 103687560. Its totient is φ = 22093760.

The previous prime is 55490131. The next prime is 55490173. The reversal of 55490150 is 5109455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8906 + ... + 13794.

It is an arithmetic number, because the mean of its divisors is an integer number (4320315).

Almost surely, 2^55490150 is an apocalyptic number.

55490150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55490150 is a deficient number, since it is larger than the sum of its proper divisors (48197410).

55490150 is a wasteful number, since it uses less digits than its factorization.

55490150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128 (or 5123 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55490150 is about 7449.1710948266. The cubic root of 55490150 is about 381.4216140405.

The spelling of 55490150 in words is "fifty-five million, four hundred ninety thousand, one hundred fifty".