53481803 has 2 divisors, whose sum is σ = 53481804. Its totient is φ = 53481802.

The previous prime is 53481781. The next prime is 53481863. The reversal of 53481803 is 30818435.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53481803 - 2¹⁸ = 53219659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53481803.

It is not a weakly prime, because it can be changed into another prime (53481863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26740901 + 26740902.

It is an arithmetic number, because the mean of its divisors is an integer number (26740902).

Almost surely, 2^53481803 is an apocalyptic number.

53481803 is a deficient number, since it is larger than the sum of its proper divisors (1).

53481803 is an equidigital number, since it uses as much as digits as its factorization.

53481803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 53481803 is about 7313.1253920605. The cubic root of 53481803 is about 376.7633761996.

The spelling of 53481803 in words is "fifty-three million, four hundred eighty-one thousand, eight hundred three".