54440372 has 18 divisors (see below), whose sum is σ = 110825442. Its totient is φ = 23331504.

The previous prime is 54440369. The next prime is 54440387. The reversal of 54440372 is 27304445.

It can be written as a sum of positive squares in only one way, i.e., 36917776 + 17522596 = 6076^2 + 4186^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138683 + ... + 139074.

It is an arithmetic number, because the mean of its divisors is an integer number (6156969).

Almost surely, 2^54440372 is an apocalyptic number.

It is an amenable number.

54440372 is an abundant number, since it is smaller than the sum of its proper divisors (56385070).

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

54440372 is a wasteful number, since it uses less digits than its factorization.

54440372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277775 (or 277766 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 54440372 is about 7378.3719071351. The cubic root of 54440372 is about 379.0010048172.

The spelling of 54440372 in words is "fifty-four million, four hundred forty thousand, three hundred seventy-two".