54638069 has 2 divisors, whose sum is σ = 54638070. Its totient is φ = 54638068.

The previous prime is 54638057. The next prime is 54638081. The reversal of 54638069 is 96083645.

It is a balanced prime because it is at equal distance from previous prime (54638057) and next prime (54638081).

It can be written as a sum of positive squares in only one way, i.e., 47679025 + 6959044 = 6905^2 + 2638^2 .

It is a cyclic number.

It is not a de Polignac number, because 54638069 - 2¹² = 54633973 is a prime.

It is a super-2 number, since 2×54638069² = 5970637168097522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54638009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27319034 + 27319035.

It is an arithmetic number, because the mean of its divisors is an integer number (27319035).

Almost surely, 2^54638069 is an apocalyptic number.

It is an amenable number.

54638069 is a deficient number, since it is larger than the sum of its proper divisors (1).

54638069 is an equidigital number, since it uses as much as digits as its factorization.

54638069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 54638069 is about 7391.7568277102. The cubic root of 54638069 is about 379.4592238640.

The spelling of 54638069 in words is "fifty-four million, six hundred thirty-eight thousand, sixty-nine".