54187828 has 12 divisors (see below), whose sum is σ = 95894820. Its totient is φ = 26789312.

The previous prime is 54187817. The next prime is 54187831. The reversal of 54187828 is 82878145.

It can be written as a sum of positive squares in 2 ways, for example, as 5579044 + 48608784 = 2362^2 + 6972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75751 + ... + 76462.

It is an arithmetic number, because the mean of its divisors is an integer number (7991235).

Almost surely, 2^54187828 is an apocalyptic number.

It is an amenable number.

54187828 is a deficient number, since it is larger than the sum of its proper divisors (41706992).

54187828 is a wasteful number, since it uses less digits than its factorization.

54187828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152306 (or 152304 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 54187828 is about 7361.2382110620. The cubic root of 54187828 is about 378.4140457131.

The spelling of 54187828 in words is "fifty-four million, one hundred eighty-seven thousand, eight hundred twenty-eight".