53502406 has 16 divisors (see below), whose sum is σ = 82328400. Its totient is φ = 26062848.

The previous prime is 53502401. The next prime is 53502409. The reversal of 53502406 is 60420535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53502401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65730 + ... + 66538.

It is an arithmetic number, because the mean of its divisors is an integer number (5145525).

Almost surely, 2^53502406 is an apocalyptic number.

53502406 is a deficient number, since it is larger than the sum of its proper divisors (28825994).

53502406 is a wasteful number, since it uses less digits than its factorization.

53502406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53502406 is about 7314.5338880888. The cubic root of 53502406 is about 376.8117506549.

The spelling of 53502406 in words is "fifty-three million, five hundred two thousand, four hundred six".