54792869 has 2 divisors, whose sum is σ = 54792870. Its totient is φ = 54792868.

The previous prime is 54792847. The next prime is 54792889. The reversal of 54792869 is 96829745.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38912644 + 15880225 = 6238^2 + 3985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54792869 is a prime.

It is a super-2 number, since 2×54792869² = 6004516986502322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54792839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27396434 + 27396435.

It is an arithmetic number, because the mean of its divisors is an integer number (27396435).

Almost surely, 2^54792869 is an apocalyptic number.

It is an amenable number.

54792869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54792869 is an equidigital number, since it uses as much as digits as its factorization.

54792869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 54792869 is about 7402.2205452148. The cubic root of 54792869 is about 379.8172459169.

The spelling of 54792869 in words is "fifty-four million, seven hundred ninety-two thousand, eight hundred sixty-nine".