54969697 has 2 divisors, whose sum is σ = 54969698. Its totient is φ = 54969696.

The previous prime is 54969683. The next prime is 54969713. The reversal of 54969697 is 79696945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48664576 + 6305121 = 6976^2 + 2511^2 .

It is a cyclic number.

It is not a de Polignac number, because 54969697 - 2⁷ = 54969569 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54969617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27484848 + 27484849.

It is an arithmetic number, because the mean of its divisors is an integer number (27484849).

Almost surely, 2^54969697 is an apocalyptic number.

It is an amenable number.

54969697 is a deficient number, since it is larger than the sum of its proper divisors (1).

54969697 is an equidigital number, since it uses as much as digits as its factorization.

54969697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3674160, while the sum is 55.

The square root of 54969697 is about 7414.1551777664. The cubic root of 54969697 is about 380.2253902947.

The spelling of 54969697 in words is "fifty-four million, nine hundred sixty-nine thousand, six hundred ninety-seven".