53219403 has 16 divisors (see below), whose sum is σ = 78957600. Its totient is φ = 35428320.

The previous prime is 53219381. The next prime is 53219407. The reversal of 53219403 is 30491235.

It is not a de Polignac number, because 53219403 - 2¹⁴ = 53203019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53219407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31053 + ... + 32721.

It is an arithmetic number, because the mean of its divisors is an integer number (4934850).

Almost surely, 2^53219403 is an apocalyptic number.

53219403 is a deficient number, since it is larger than the sum of its proper divisors (25738197).

53219403 is a wasteful number, since it uses less digits than its factorization.

53219403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2853 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 53219403 is about 7295.1629865274. The cubic root of 53219403 is about 376.1461890988.

The spelling of 53219403 in words is "fifty-three million, two hundred nineteen thousand, four hundred three".