54369881 has 2 divisors, whose sum is σ = 54369882. Its totient is φ = 54369880.

The previous prime is 54369839. The next prime is 54369899. The reversal of 54369881 is 18896345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39891856 + 14478025 = 6316^2 + 3805^2 .

It is a cyclic number.

It is not a de Polignac number, because 54369881 - 2⁶ = 54369817 is a prime.

It is a super-2 number, since 2×54369881² = 5912167919908322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54369481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27184940 + 27184941.

It is an arithmetic number, because the mean of its divisors is an integer number (27184941).

Almost surely, 2^54369881 is an apocalyptic number.

It is an amenable number.

54369881 is a deficient number, since it is larger than the sum of its proper divisors (1).

54369881 is an equidigital number, since it uses as much as digits as its factorization.

54369881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 54369881 is about 7373.5934929992. The cubic root of 54369881 is about 378.8373536021.

The spelling of 54369881 in words is "fifty-four million, three hundred sixty-nine thousand, eight hundred eighty-one".