54191860 has 12 divisors (see below), whose sum is σ = 113802948. Its totient is φ = 21676736.

The previous prime is 54191843. The next prime is 54191861. The reversal of 54191860 is 6819145.

It can be written as a sum of positive squares in 2 ways, for example, as 13512976 + 40678884 = 3676^2 + 6378^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54191861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1354777 + ... + 1354816.

It is an arithmetic number, because the mean of its divisors is an integer number (9483579).

Almost surely, 2^54191860 is an apocalyptic number.

It is an amenable number.

54191860 is an abundant number, since it is smaller than the sum of its proper divisors (59611088).

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

54191860 is a wasteful number, since it uses less digits than its factorization.

54191860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709602 (or 2709600 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 54191860 is about 7361.5120729372. The cubic root of 54191860 is about 378.4234311394.

The spelling of 54191860 in words is "fifty-four million, one hundred ninety-one thousand, eight hundred sixty".