55298190 has 16 divisors (see below), whose sum is σ = 132715728. Its totient is φ = 14746176.

The previous prime is 55298143. The next prime is 55298197. The reversal of 55298190 is 9189255.

55298190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55298190² = 6115779634552200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55298197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921607 + ... + 921666.

It is an arithmetic number, because the mean of its divisors is an integer number (8294733).

Almost surely, 2^55298190 is an apocalyptic number.

55298190 is an abundant number, since it is smaller than the sum of its proper divisors (77417538).

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

55298190 is a wasteful number, since it uses less digits than its factorization.

55298190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843283.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 55298190 is about 7436.2752773146. The cubic root of 55298190 is about 380.9812819319.

The spelling of 55298190 in words is "fifty-five million, two hundred ninety-eight thousand, one hundred ninety".