54993251 has 8 divisors (see below), whose sum is σ = 57855600. Its totient is φ = 52195360.

The previous prime is 54993241. The next prime is 54993271. The reversal of 54993251 is 15239945.

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

It is a de Polignac number, because none of the positive numbers 2^k-54993251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54993221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14360 + ... + 17781.

It is an arithmetic number, because the mean of its divisors is an integer number (7231950).

Almost surely, 2^54993251 is an apocalyptic number.

54993251 is a deficient number, since it is larger than the sum of its proper divisors (2862349).

54993251 is a wasteful number, since it uses less digits than its factorization.

54993251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32229.

The product of its digits is 48600, while the sum is 38.

The square root of 54993251 is about 7415.7434556489. The cubic root of 54993251 is about 380.2796902119.

The spelling of 54993251 in words is "fifty-four million, nine hundred ninety-three thousand, two hundred fifty-one".