53930861 has 2 divisors, whose sum is σ = 53930862. Its totient is φ = 53930860.

The previous prime is 53930857. The next prime is 53930881. The reversal of 53930861 is 16803935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49970761 + 3960100 = 7069^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 53930861 - 2² = 53930857 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53930801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26965430 + 26965431.

It is an arithmetic number, because the mean of its divisors is an integer number (26965431).

Almost surely, 2^53930861 is an apocalyptic number.

It is an amenable number.

53930861 is a deficient number, since it is larger than the sum of its proper divisors (1).

53930861 is an equidigital number, since it uses as much as digits as its factorization.

53930861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 53930861 is about 7343.7634084984. The cubic root of 53930861 is about 377.8149318482.

The spelling of 53930861 in words is "fifty-three million, nine hundred thirty thousand, eight hundred sixty-one".