53429465 has 4 divisors (see below), whose sum is σ = 64115364. Its totient is φ = 42743568.

The previous prime is 53429449. The next prime is 53429477. The reversal of 53429465 is 56492435.

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 37405456 + 16024009 = 6116^2 + 4003^2 .

It is a cyclic number.

It is not a de Polignac number, because 53429465 - 2⁴ = 53429449 is a prime.

It is a Duffinian 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, 5342942 + ... + 5342951.

It is an arithmetic number, because the mean of its divisors is an integer number (16028841).

Almost surely, 2^53429465 is an apocalyptic number.

It is an amenable number.

53429465 is a deficient number, since it is larger than the sum of its proper divisors (10685899).

53429465 is a wasteful number, since it uses less digits than its factorization.

53429465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685898.

The product of its digits is 129600, while the sum is 38.

The square root of 53429465 is about 7309.5461555421. The cubic root of 53429465 is about 376.6404342118.

The spelling of 53429465 in words is "fifty-three million, four hundred twenty-nine thousand, four hundred sixty-five".