53012345 has 8 divisors (see below), whose sum is σ = 63723264. Its totient is φ = 42337584.

The previous prime is 53012329. The next prime is 53012347. The reversal of 53012345 is 54321035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53012345 - 2⁴ = 53012329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53012345.

It is not an unprimeable number, because it can be changed into a prime (53012347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5699 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (7965408).

Almost surely, 2^53012345 is an apocalyptic number.

It is an amenable number.

53012345 is a deficient number, since it is larger than the sum of its proper divisors (10710919).

53012345 is a wasteful number, since it uses less digits than its factorization.

53012345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18079.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53012345 is about 7280.9576979955. The cubic root of 53012345 is about 375.6577375276.

The spelling of 53012345 in words is "fifty-three million, twelve thousand, three hundred forty-five".