55257498 has 32 divisors (see below), whose sum is σ = 124358400. Its totient is φ = 18184608.

The previous prime is 55257493. The next prime is 55257551. The reversal of 55257498 is 89475255.

55257498 is a `hidden beast` number, since 552 + 5 + 7 + 4 + 98 = 666.

55257498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55257493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (3886200).

Almost surely, 2^55257498 is an apocalyptic number.

55257498 is an abundant number, since it is smaller than the sum of its proper divisors (69100902).

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

55257498 is a wasteful number, since it uses less digits than its factorization.

55257498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13043 (or 13037 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 55257498 is about 7433.5387266093. The cubic root of 55257498 is about 380.8878087425.

It can be divided in two parts, 55257 and 498, that added together give a palindrome (55755).

The spelling of 55257498 in words is "fifty-five million, two hundred fifty-seven thousand, four hundred ninety-eight".