53902913 has 2 divisors, whose sum is σ = 53902914. Its totient is φ = 53902912.

The previous prime is 53902889. The next prime is 53902957. The reversal of 53902913 is 31920935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49098049 + 4804864 = 7007^2 + 2192^2 .

It is a cyclic number.

It is not a de Polignac number, because 53902913 - 2⁸ = 53902657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53902913.

It is not a weakly prime, because it can be changed into another prime (53902313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26951456 + 26951457.

It is an arithmetic number, because the mean of its divisors is an integer number (26951457).

Almost surely, 2^53902913 is an apocalyptic number.

It is an amenable number.

53902913 is a deficient number, since it is larger than the sum of its proper divisors (1).

53902913 is an equidigital number, since it uses as much as digits as its factorization.

53902913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 53902913 is about 7341.8603228337. The cubic root of 53902913 is about 377.7496569386.

The spelling of 53902913 in words is "fifty-three million, nine hundred two thousand, nine hundred thirteen".