55305192 has 32 divisors (see below), whose sum is σ = 138559680. Its totient is φ = 18395520.

The previous prime is 55305191. The next prime is 55305193. The reversal of 55305192 is 29150355.

It is an interprime number because it is at equal distance from previous prime (55305191) and next prime (55305193).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55305191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10293 + ... + 14715.

It is an arithmetic number, because the mean of its divisors is an integer number (4329990).

Almost surely, 2^55305192 is an apocalyptic number.

It is an amenable number.

55305192 is an abundant number, since it is smaller than the sum of its proper divisors (83254488).

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

55305192 is a wasteful number, since it uses less digits than its factorization.

55305192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953 (or 4949 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 55305192 is about 7436.7460626271. The cubic root of 55305192 is about 380.9973615320.

The spelling of 55305192 in words is "fifty-five million, three hundred five thousand, one hundred ninety-two".