54899951 has 2 divisors, whose sum is σ = 54899952. Its totient is φ = 54899950.

The previous prime is 54899947. The next prime is 54899989. The reversal of 54899951 is 15999845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54899951 - 2² = 54899947 is a prime.

It is a super-3 number, since 3×54899951³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54899951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54896951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27449975 + 27449976.

It is an arithmetic number, because the mean of its divisors is an integer number (27449976).

Almost surely, 2^54899951 is an apocalyptic number.

54899951 is a deficient number, since it is larger than the sum of its proper divisors (1).

54899951 is an equidigital number, since it uses as much as digits as its factorization.

54899951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 50.

The square root of 54899951 is about 7409.4501145497. The cubic root of 54899951 is about 380.0645112082.

The spelling of 54899951 in words is "fifty-four million, eight hundred ninety-nine thousand, nine hundred fifty-one".