54926869 has 2 divisors, whose sum is σ = 54926870. Its totient is φ = 54926868.

The previous prime is 54926863. The next prime is 54926897. The reversal of 54926869 is 96862945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54908100 + 18769 = 7410^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 54926869 - 2²⁵ = 21372437 is a prime.

It is a super-2 number, since 2×54926869² = 6033921876286322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54926863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27463434 + 27463435.

It is an arithmetic number, because the mean of its divisors is an integer number (27463435).

Almost surely, 2^54926869 is an apocalyptic number.

It is an amenable number.

54926869 is a deficient number, since it is larger than the sum of its proper divisors (1).

54926869 is an equidigital number, since it uses as much as digits as its factorization.

54926869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The square root of 54926869 is about 7411.2663560285. The cubic root of 54926869 is about 380.1266175473.

The spelling of 54926869 in words is "fifty-four million, nine hundred twenty-six thousand, eight hundred sixty-nine".