55383408 has 60 divisors (see below), whose sum is σ = 157208688. Its totient is φ = 18197760.

The previous prime is 55383407. The next prime is 55383431. The reversal of 55383408 is 80438355.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55383407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7516 + ... + 12932.

Almost surely, 2^55383408 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 55383408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78604344).

55383408 is an abundant number, since it is smaller than the sum of its proper divisors (101825280).

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

55383408 is a wasteful number, since it uses less digits than its factorization.

55383408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502 (or 5493 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 55383408 is about 7442.0029561940. The cubic root of 55383408 is about 381.1768868846.

The spelling of 55383408 in words is "fifty-five million, three hundred eighty-three thousand, four hundred eight".