54541780 has 48 divisors (see below), whose sum is σ = 127673280. Its totient is φ = 19450368.

The previous prime is 54541777. The next prime is 54541789. The reversal of 54541780 is 8714545.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54541789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2239 + ... + 10681.

It is an arithmetic number, because the mean of its divisors is an integer number (2659860).

Almost surely, 2^54541780 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 54541780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63836640).

54541780 is an abundant number, since it is smaller than the sum of its proper divisors (73131500).

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

54541780 is a wasteful number, since it uses less digits than its factorization.

54541780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488 (or 8486 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 54541780 is about 7385.2406866669. The cubic root of 54541780 is about 379.2361850287.

The spelling of 54541780 in words is "fifty-four million, five hundred forty-one thousand, seven hundred eighty".