54563780 has 24 divisors (see below), whose sum is σ = 115320408. Its totient is φ = 21685248.

The previous prime is 54563779. The next prime is 54563791. The reversal of 54563780 is 8736545.

It can be written as a sum of positive squares in 4 ways, for example, as 158404 + 54405376 = 398^2 + 7376^2 .

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, 5549 + ... + 11828.

It is an arithmetic number, because the mean of its divisors is an integer number (4805017).

Almost surely, 2^54563780 is an apocalyptic number.

It is an amenable number.

54563780 is an abundant number, since it is smaller than the sum of its proper divisors (60756628).

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

54563780 is a wasteful number, since it uses less digits than its factorization.

54563780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17543 (or 17541 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 54563780 is about 7386.7299937117. The cubic root of 54563780 is about 379.2871678077.

The spelling of 54563780 in words is "fifty-four million, five hundred sixty-three thousand, seven hundred eighty".