55589190 has 16 divisors (see below), whose sum is σ = 133414128. Its totient is φ = 14823776.

The previous prime is 55589189. The next prime is 55589197. The reversal of 55589190 is 9198555.

It is a happy number.

It is a super-2 number, since 2×55589190² = 6180316089712200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55589197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926457 + ... + 926516.

It is an arithmetic number, because the mean of its divisors is an integer number (8338383).

Almost surely, 2^55589190 is an apocalyptic number.

55589190 is an abundant number, since it is smaller than the sum of its proper divisors (77824938).

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

55589190 is a wasteful number, since it uses less digits than its factorization.

55589190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852983.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 55589190 is about 7455.8158507302. The cubic root of 55589190 is about 381.6484023050.

The spelling of 55589190 in words is "fifty-five million, five hundred eighty-nine thousand, one hundred ninety".