55503150 has 24 divisors (see below), whose sum is σ = 137648184. Its totient is φ = 14800800.

The previous prime is 55503143. The next prime is 55503157. The reversal of 55503150 is 5130555.

It is an interprime number because it is at equal distance from previous prime (55503143) and next prime (55503157).

It is a self number, because there is not a number n which added to its sum of digits gives 55503150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55503157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184861 + ... + 185160.

It is an arithmetic number, because the mean of its divisors is an integer number (5735341).

Almost surely, 2^55503150 is an apocalyptic number.

55503150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55503150 is an abundant number, since it is smaller than the sum of its proper divisors (82145034).

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

55503150 is a wasteful number, since it uses less digits than its factorization.

55503150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370036 (or 370031 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 55503150 is about 7450.0436240334. The cubic root of 55503150 is about 381.4513976677.

The spelling of 55503150 in words is "fifty-five million, five hundred three thousand, one hundred fifty".