55498955 has 4 divisors (see below), whose sum is σ = 66598752. Its totient is φ = 44399160.

The previous prime is 55498951. The next prime is 55498967. The reversal of 55498955 is 55989455.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55498955 - 2² = 55498951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55498951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5549891 + ... + 5549900.

It is an arithmetic number, because the mean of its divisors is an integer number (16649688).

Almost surely, 2^55498955 is an apocalyptic number.

55498955 is a deficient number, since it is larger than the sum of its proper divisors (11099797).

55498955 is a wasteful number, since it uses less digits than its factorization.

55498955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11099796.

The product of its digits is 1620000, while the sum is 50.

The square root of 55498955 is about 7449.7620767378. The cubic root of 55498955 is about 381.4417872286.

The spelling of 55498955 in words is "fifty-five million, four hundred ninety-eight thousand, nine hundred fifty-five".