54037861 has 2 divisors, whose sum is σ = 54037862. Its totient is φ = 54037860.

The previous prime is 54037859. The next prime is 54037873. The reversal of 54037861 is 16873045.

54037861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 820836 = 7295^2 + 906^2 .

It is a cyclic number.

It is not a de Polignac number, because 54037861 - 2¹ = 54037859 is a prime.

Together with 54037859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54037811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27018930 + 27018931.

It is an arithmetic number, because the mean of its divisors is an integer number (27018931).

Almost surely, 2^54037861 is an apocalyptic number.

It is an amenable number.

54037861 is a deficient number, since it is larger than the sum of its proper divisors (1).

54037861 is an equidigital number, since it uses as much as digits as its factorization.

54037861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 54037861 is about 7351.0448917144. The cubic root of 54037861 is about 378.0646311292.

The spelling of 54037861 in words is "fifty-four million, thirty-seven thousand, eight hundred sixty-one".