54911951 has 2 divisors, whose sum is σ = 54911952. Its totient is φ = 54911950.

The previous prime is 54911893. The next prime is 54911953. The reversal of 54911951 is 15911945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54911951 - 2¹⁰ = 54910927 is a prime.

Together with 54911953, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54911953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27455975 + 27455976.

It is an arithmetic number, because the mean of its divisors is an integer number (27455976).

Almost surely, 2^54911951 is an apocalyptic number.

54911951 is a deficient number, since it is larger than the sum of its proper divisors (1).

54911951 is an equidigital number, since it uses as much as digits as its factorization.

54911951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 35.

The square root of 54911951 is about 7410.2598469959. The cubic root of 54911951 is about 380.0922006189.

The spelling of 54911951 in words is "fifty-four million, nine hundred eleven thousand, nine hundred fifty-one".