55273914 has 40 divisors (see below), whose sum is σ = 125975520. Its totient is φ = 18109224.

The previous prime is 55273903. The next prime is 55273931. The reversal of 55273914 is 41937255.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6667 + ... + 12449.

It is an arithmetic number, because the mean of its divisors is an integer number (3149388).

Almost surely, 2^55273914 is an apocalyptic number.

55273914 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55273914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62987760).

55273914 is an abundant number, since it is smaller than the sum of its proper divisors (70701606).

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

55273914 is a wasteful number, since it uses less digits than its factorization.

55273914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5856 (or 5847 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 55273914 is about 7434.6428293496. The cubic root of 55273914 is about 380.9255232935.

The spelling of 55273914 in words is "fifty-five million, two hundred seventy-three thousand, nine hundred fourteen".