54091798 has 8 divisors (see below), whose sum is σ = 81294408. Its totient is φ = 26993664.

The previous prime is 54091781. The next prime is 54091819. The reversal of 54091798 is 89719045.

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

It is a super-2 number, since 2×54091798² = 5851845221745608, which contains 22 as substring.

It is a congruent number.

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, 24811 + ... + 26902.

It is an arithmetic number, because the mean of its divisors is an integer number (10161801).

Almost surely, 2^54091798 is an apocalyptic number.

54091798 is a deficient number, since it is larger than the sum of its proper divisors (27202610).

54091798 is a wasteful number, since it uses less digits than its factorization.

54091798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52238.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 54091798 is about 7354.7126388459. The cubic root of 54091798 is about 378.1903756280.

The spelling of 54091798 in words is "fifty-four million, ninety-one thousand, seven hundred ninety-eight".