54912980 has 18 divisors (see below), whose sum is σ = 115386894. Its totient is φ = 21951936.

The previous prime is 54912971. The next prime is 54912989. The reversal of 54912980 is 8921945.

It is an interprime number because it is at equal distance from previous prime (54912971) and next prime (54912989).

It can be written as a sum of positive squares in 3 ways, for example, as 1008016 + 53904964 = 1004^2 + 7342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54912989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32312 + ... + 33968.

It is an arithmetic number, because the mean of its divisors is an integer number (6410383).

Almost surely, 2^54912980 is an apocalyptic number.

It is an amenable number.

54912980 is an abundant number, since it is smaller than the sum of its proper divisors (60473914).

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

54912980 is an equidigital number, since it uses as much as digits as its factorization.

54912980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 54912980 is about 7410.3292774343. The cubic root of 54912980 is about 380.0945747981.

Multiplying 54912980 by its product of nonzero digits (25920), we get a square (1423344441600 = 1193040²).

The spelling of 54912980 in words is "fifty-four million, nine hundred twelve thousand, nine hundred eighty".