54697843 has 2 divisors, whose sum is σ = 54697844. Its totient is φ = 54697842.

The previous prime is 54697817. The next prime is 54697861. The reversal of 54697843 is 34879645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54697843 - 2²⁵ = 21143411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54697793 and 54697802.

It is not a weakly prime, because it can be changed into another prime (54697043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27348921 + 27348922.

It is an arithmetic number, because the mean of its divisors is an integer number (27348922).

Almost surely, 2^54697843 is an apocalyptic number.

54697843 is a deficient number, since it is larger than the sum of its proper divisors (1).

54697843 is an equidigital number, since it uses as much as digits as its factorization.

54697843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 54697843 is about 7395.7990102490. The cubic root of 54697843 is about 379.5975494539.

It can be divided in two parts, 546 and 97843, that added together give a palindrome (98389).

The spelling of 54697843 in words is "fifty-four million, six hundred ninety-seven thousand, eight hundred forty-three".