54291994 has 4 divisors (see below), whose sum is σ = 81437994. Its totient is φ = 27145996.

The previous prime is 54291959. The next prime is 54292009. The reversal of 54291994 is 49919245.

54291994 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 14538969 = 6305^2 + 3813^2 .

It is a super-3 number, since 3×54291994³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 54291994.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13572997 + ... + 13573000.

Almost surely, 2^54291994 is an apocalyptic number.

54291994 is a deficient number, since it is larger than the sum of its proper divisors (27146000).

54291994 is a wasteful number, since it uses less digits than its factorization.

54291994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27145999.

The product of its digits is 116640, while the sum is 43.

The square root of 54291994 is about 7368.3101183379. The cubic root of 54291994 is about 378.6563673318.

The spelling of 54291994 in words is "fifty-four million, two hundred ninety-one thousand, nine hundred ninety-four".