54787860 has 96 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 14394240.

The previous prime is 54787847. The next prime is 54787871. The reversal of 54787860 is 6878745.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37626 + ... + 39054.

It is an arithmetic number, because the mean of its divisors is an integer number (1801800).

Almost surely, 2^54787860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54787860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86486400).

54787860 is an abundant number, since it is smaller than the sum of its proper divisors (118184940).

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

54787860 is a wasteful number, since it uses less digits than its factorization.

54787860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 54787860 is about 7401.8821930641. The cubic root of 54787860 is about 379.8056716457.

The spelling of 54787860 in words is "fifty-four million, seven hundred eighty-seven thousand, eight hundred sixty".