53073405 has 144 divisors (see below), whose sum is σ = 124136064. Its totient is φ = 20367360.

The previous prime is 53073401. The next prime is 53073467. The reversal of 53073405 is 50437035.

It is a happy number.

It is not a de Polignac number, because 53073405 - 2² = 53073401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53073401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1001359 + ... + 1001411.

It is an arithmetic number, because the mean of its divisors is an integer number (862056).

Almost surely, 2^53073405 is an apocalyptic number.

53073405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53073405 is an abundant number, since it is smaller than the sum of its proper divisors (71062659).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53073405 is a wasteful number, since it uses less digits than its factorization.

53073405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 53073405 is about 7285.1496209755. The cubic root of 53073405 is about 375.8019106160.

The spelling of 53073405 in words is "fifty-three million, seventy-three thousand, four hundred five".