55554648 has 16 divisors (see below), whose sum is σ = 138886680. Its totient is φ = 18518208.

The previous prime is 55554647. The next prime is 55554661. The reversal of 55554648 is 84645555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55554641) 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, 1157365 + ... + 1157412.

Almost surely, 2^55554648 is an apocalyptic number.

It is an amenable number.

55554648 is an abundant number, since it is smaller than the sum of its proper divisors (83332032).

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

55554648 is a wasteful number, since it uses less digits than its factorization.

55554648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314786 (or 2314782 counting only the distinct ones).

The product of its digits is 480000, while the sum is 42.

The square root of 55554648 is about 7453.4990440732. The cubic root of 55554648 is about 381.5693363896.

The spelling of 55554648 in words is "fifty-five million, five hundred fifty-four thousand, six hundred forty-eight".