53903929 has 2 divisors, whose sum is σ = 53903930. Its totient is φ = 53903928.

The previous prime is 53903911. The next prime is 53903933. The reversal of 53903929 is 92930935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 5531904 = 6955^2 + 2352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53903929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53903891 and 53903900.

It is not a weakly prime, because it can be changed into another prime (53903939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26951964 + 26951965.

It is an arithmetic number, because the mean of its divisors is an integer number (26951965).

Almost surely, 2^53903929 is an apocalyptic number.

It is an amenable number.

53903929 is a deficient number, since it is larger than the sum of its proper divisors (1).

53903929 is an equidigital number, since it uses as much as digits as its factorization.

53903929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 53903929 is about 7341.9295147802. The cubic root of 53903929 is about 377.7520302874.

The spelling of 53903929 in words is "fifty-three million, nine hundred three thousand, nine hundred twenty-nine".