54531380 has 12 divisors (see below), whose sum is σ = 114515940. Its totient is φ = 21812544.

The previous prime is 54531361. The next prime is 54531383. The reversal of 54531380 is 8313545.

It can be written as a sum of positive squares in 2 ways, for example, as 31854736 + 22676644 = 5644^2 + 4762^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54531383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363265 + ... + 1363304.

It is an arithmetic number, because the mean of its divisors is an integer number (9542995).

Almost surely, 2^54531380 is an apocalyptic number.

It is an amenable number.

54531380 is an abundant number, since it is smaller than the sum of its proper divisors (59984560).

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

54531380 is a wasteful number, since it uses less digits than its factorization.

54531380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726578 (or 2726576 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 54531380 is about 7384.5365460535. The cubic root of 54531380 is about 379.2120793063.

The spelling of 54531380 in words is "fifty-four million, five hundred thirty-one thousand, three hundred eighty".