55554408 has 192 divisors, whose sum is σ = 189571200. Its totient is φ = 14307840.

The previous prime is 55554383. The next prime is 55554479. The reversal of 55554408 is 80445555.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399603 + ... + 399741.

It is an arithmetic number, because the mean of its divisors is an integer number (987350).

Almost surely, 2^55554408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55554408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94785600).

55554408 is an abundant number, since it is smaller than the sum of its proper divisors (134016792).

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

55554408 is a wasteful number, since it uses less digits than its factorization.

55554408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The square root of 55554408 is about 7453.4829442349. The cubic root of 55554408 is about 381.5687869200.

The spelling of 55554408 in words is "fifty-five million, five hundred fifty-four thousand, four hundred eight".