53529403 has 4 divisors (see below), whose sum is σ = 56346760. Its totient is φ = 50712048.

The previous prime is 53529397. The next prime is 53529433. The reversal of 53529403 is 30492535.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53529403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53529433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408650 + ... + 1408687.

It is an arithmetic number, because the mean of its divisors is an integer number (14086690).

Almost surely, 2^53529403 is an apocalyptic number.

53529403 is a deficient number, since it is larger than the sum of its proper divisors (2817357).

53529403 is a wasteful number, since it uses less digits than its factorization.

53529403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817356.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 53529403 is about 7316.3790907798. The cubic root of 53529403 is about 376.8751189968.

The spelling of 53529403 in words is "fifty-three million, five hundred twenty-nine thousand, four hundred three".