54791538 has 8 divisors (see below), whose sum is σ = 109583088. Its totient is φ = 18263844.

The previous prime is 54791521. The next prime is 54791549. The reversal of 54791538 is 83519745.

It is a sphenic number, since it is the product of 3 distinct primes.

54791538 is an admirable number.

It is a super-2 number, since 2×54791538² = 6004225272810888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54791538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4565956 + ... + 4565967.

It is an arithmetic number, because the mean of its divisors is an integer number (13697886).

Almost surely, 2^54791538 is an apocalyptic number.

54791538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54791538 is a wasteful number, since it uses less digits than its factorization.

54791538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9131928.

The product of its digits is 151200, while the sum is 42.

The square root of 54791538 is about 7402.1306392146. The cubic root of 54791538 is about 379.8141704507.

The spelling of 54791538 in words is "fifty-four million, seven hundred ninety-one thousand, five hundred thirty-eight".