55081258 has 16 divisors (see below), whose sum is σ = 87696000. Its totient is φ = 25857216.

The previous prime is 55081253. The next prime is 55081267. The reversal of 55081258 is 85218055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (55081253) 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, 13993 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (5481000).

Almost surely, 2^55081258 is an apocalyptic number.

55081258 is a deficient number, since it is larger than the sum of its proper divisors (32614742).

55081258 is a wasteful number, since it uses less digits than its factorization.

55081258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 55081258 is about 7421.6748783546. The cubic root of 55081258 is about 380.4824389560.

The spelling of 55081258 in words is "fifty-five million, eighty-one thousand, two hundred fifty-eight".