55392000 has 144 divisors (see below), whose sum is σ = 184303392. Its totient is φ = 14745600.

The previous prime is 55391989. The next prime is 55392019. The reversal of 55392000 is 29355.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95712 + ... + 96288.

Almost surely, 2^55392000 is an apocalyptic number.

55392000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92151696).

55392000 is an abundant number, since it is smaller than the sum of its proper divisors (128911392).

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

55392000 is an equidigital number, since it uses as much as digits as its factorization.

55392000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 55392000 is about 7442.5801977540. The cubic root of 55392000 is about 381.1965973754.

It can be divided in two parts, 55 and 392000, that added together give a triangular number (392055 = T₈₈₅).

The spelling of 55392000 in words is "fifty-five million, three hundred ninety-two thousand".