55383552 has 240 divisors, whose sum is σ = 195335712. Its totient is φ = 14745600.

The previous prime is 55383541. The next prime is 55383583. The reversal of 55383552 is 25538355.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 548302 + ... + 548402.

Almost surely, 2^55383552 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 55383552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97667856).

55383552 is an abundant number, since it is smaller than the sum of its proper divisors (139952160).

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

55383552 is a wasteful number, since it uses less digits than its factorization.

55383552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 130 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 55383552 is about 7442.0126310024. The cubic root of 55383552 is about 381.1772172448.

The spelling of 55383552 in words is "fifty-five million, three hundred eighty-three thousand, five hundred fifty-two".