55498464 has 72 divisors (see below), whose sum is σ = 180376560. Its totient is φ = 15856128.

The previous prime is 55498459. The next prime is 55498507. The reversal of 55498464 is 46489455.

55498464 is a `hidden beast` number, since 554 + 98 + 4 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11749 + ... + 15780.

It is an arithmetic number, because the mean of its divisors is an integer number (2505230).

Almost surely, 2^55498464 is an apocalyptic number.

It is an amenable number.

55498464 is an abundant number, since it is smaller than the sum of its proper divisors (124878096).

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

55498464 is a wasteful number, since it uses less digits than its factorization.

55498464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27552 (or 27541 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 55498464 is about 7449.7291225923. The cubic root of 55498464 is about 381.4406623517.

Subtracting from 55498464 its reverse (46489455), we obtain a palindrome (9009009).

The spelling of 55498464 in words is "fifty-five million, four hundred ninety-eight thousand, four hundred sixty-four".