54911851 has 2 divisors, whose sum is σ = 54911852. Its totient is φ = 54911850.

The previous prime is 54911789. The next prime is 54911867. The reversal of 54911851 is 15811945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54911851 - 2⁷ = 54911723 is a prime.

It is a super-2 number, since 2×54911851² = 6030622760492402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54911891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27455925 + 27455926.

It is an arithmetic number, because the mean of its divisors is an integer number (27455926).

Almost surely, 2^54911851 is an apocalyptic number.

54911851 is a deficient number, since it is larger than the sum of its proper divisors (1).

54911851 is an equidigital number, since it uses as much as digits as its factorization.

54911851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 34.

The square root of 54911851 is about 7410.2530995911. The cubic root of 54911851 is about 380.0919698905.

The spelling of 54911851 in words is "fifty-four million, nine hundred eleven thousand, eight hundred fifty-one".