54955992 has 64 divisors (see below), whose sum is σ = 169102080. Its totient is φ = 14493312.

The previous prime is 54955991. The next prime is 54956003. The reversal of 54955992 is 29955945.

It is a happy number.

It is a super-2 number, since 2×54955992² = 6040322113408128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54955991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10398 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (2642220).

Almost surely, 2^54955992 is an apocalyptic number.

54955992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54955992 is an abundant number, since it is smaller than the sum of its proper divisors (114146088).

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

54955992 is a wasteful number, since it uses less digits than its factorization.

54955992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25192 (or 25188 counting only the distinct ones).

The product of its digits is 729000, while the sum is 48.

The square root of 54955992 is about 7413.2308745917. The cubic root of 54955992 is about 380.1937885069.

The spelling of 54955992 in words is "fifty-four million, nine hundred fifty-five thousand, nine hundred ninety-two".