54333869 has 2 divisors, whose sum is σ = 54333870. Its totient is φ = 54333868.

The previous prime is 54333841. The next prime is 54333883. The reversal of 54333869 is 96833345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 24631369 = 5450^2 + 4963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54333869 is a prime.

It is a super-2 number, since 2×54333869² = 5904338641018322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54333899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27166934 + 27166935.

It is an arithmetic number, because the mean of its divisors is an integer number (27166935).

Almost surely, 2^54333869 is an apocalyptic number.

It is an amenable number.

54333869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54333869 is an equidigital number, since it uses as much as digits as its factorization.

54333869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 54333869 is about 7371.1511312684. The cubic root of 54333869 is about 378.7536939010.

The spelling of 54333869 in words is "fifty-four million, three hundred thirty-three thousand, eight hundred sixty-nine".