55254558 has 16 divisors (see below), whose sum is σ = 110645136. Its totient is φ = 18395520.

The previous prime is 55254557. The next prime is 55254569. The reversal of 55254558 is 85545255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55254553) 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, 60 + ... + 10512.

It is an arithmetic number, because the mean of its divisors is an integer number (6915321).

Almost surely, 2^55254558 is an apocalyptic number.

55254558 is an abundant number, since it is smaller than the sum of its proper divisors (55390578).

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

55254558 is a wasteful number, since it uses less digits than its factorization.

55254558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339.

The product of its digits is 200000, while the sum is 39.

The square root of 55254558 is about 7433.3409715955. The cubic root of 55254558 is about 380.8810535204.

The spelling of 55254558 in words is "fifty-five million, two hundred fifty-four thousand, five hundred fifty-eight".