53032405 has 4 divisors (see below), whose sum is σ = 63638892. Its totient is φ = 42425920.

The previous prime is 53032391. The next prime is 53032417. The reversal of 53032405 is 50423035.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37970244 + 15062161 = 6162^2 + 3881^2 .

It is not a de Polignac number, because 53032405 - 2¹⁵ = 52999637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303236 + ... + 5303245.

It is an arithmetic number, because the mean of its divisors is an integer number (15909723).

Almost surely, 2^53032405 is an apocalyptic number.

It is an amenable number.

53032405 is a deficient number, since it is larger than the sum of its proper divisors (10606487).

53032405 is a wasteful number, since it uses less digits than its factorization.

53032405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10606486.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53032405 is about 7282.3351337329. The cubic root of 53032405 is about 375.7051148187.

The spelling of 53032405 in words is "fifty-three million, thirty-two thousand, four hundred five".