54379481780 has 24 divisors (see below), whose sum is σ = 122981290152. Its totient is φ = 20078577792.

The previous prime is 54379481777. The next prime is 54379481803. The reversal of 54379481780 is 8718497345.

It can be written as a sum of positive squares in 4 ways, for example, as 2893148944 + 51486332836 = 53788^2 + 226906^2 .

It is a super-2 number, since 2×54379481780² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 104575667 + ... + 104576186.

It is an arithmetic number, because the mean of its divisors is an integer number (5124220423).

Almost surely, 2^54379481780 is an apocalyptic number.

It is an amenable number.

54379481780 is an abundant number, since it is smaller than the sum of its proper divisors (68601808372).

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

54379481780 is a wasteful number, since it uses less digits than its factorization.

54379481780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209151875 (or 209151873 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 54379481780 in words is "fifty-four billion, three hundred seventy-nine million, four hundred eighty-one thousand, seven hundred eighty".