54992000 has 128 divisors (see below), whose sum is σ = 156574080. Its totient is φ = 18816000.

The previous prime is 54991999. The next prime is 54992039. The reversal of 54992000 is 29945.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111755 + ... + 112245.

It is an arithmetic number, because the mean of its divisors is an integer number (1223235).

Almost surely, 2^54992000 is an apocalyptic number.

54992000 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 54992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78287040).

54992000 is an abundant number, since it is smaller than the sum of its proper divisors (101582080).

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

54992000 is an equidigital number, since it uses as much as digits as its factorization.

54992000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 505 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 54992000 is about 7415.6591075912. The cubic root of 54992000 is about 380.2768066247.

The spelling of 54992000 in words is "fifty-four million, nine hundred ninety-two thousand".