55214658 has 48 divisors (see below), whose sum is σ = 125888256. Its totient is φ = 17465760.

The previous prime is 55214639. The next prime is 55214669. The reversal of 55214658 is 85641255.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28641 + ... + 30507.

It is an arithmetic number, because the mean of its divisors is an integer number (2622672).

Almost surely, 2^55214658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55214658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62944128).

55214658 is an abundant number, since it is smaller than the sum of its proper divisors (70673598).

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

55214658 is a wasteful number, since it uses less digits than its factorization.

55214658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959 (or 1956 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 55214658 is about 7430.6566331651. The cubic root of 55214658 is about 380.7893518034.

The spelling of 55214658 in words is "fifty-five million, two hundred fourteen thousand, six hundred fifty-eight".