54785380 has 24 divisors (see below), whose sum is σ = 123899832. Its totient is φ = 20228352.

The previous prime is 54785377. The next prime is 54785399. The reversal of 54785380 is 8358745.

It can be written as a sum of positive squares in 4 ways, for example, as 3175524 + 51609856 = 1782^2 + 7184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105097 + ... + 105616.

It is an arithmetic number, because the mean of its divisors is an integer number (5162493).

Almost surely, 2^54785380 is an apocalyptic number.

It is an amenable number.

54785380 is an abundant number, since it is smaller than the sum of its proper divisors (69114452).

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

54785380 is a wasteful number, since it uses less digits than its factorization.

54785380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210735 (or 210733 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 54785380 is about 7401.7146662108. The cubic root of 54785380 is about 379.7999408611.

The spelling of 54785380 in words is "fifty-four million, seven hundred eighty-five thousand, three hundred eighty".