53123045 has 8 divisors (see below), whose sum is σ = 67497624. Its totient is φ = 39998464.

The previous prime is 53123029. The next prime is 53123087. The reversal of 53123045 is 54032135.

It can be written as a sum of positive squares in 4 ways, for example, as 20484676 + 32638369 = 4526^2 + 5713^2 .

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 53123045 - 2⁴ = 53123029 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 53123045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312404 + ... + 312573.

It is an arithmetic number, because the mean of its divisors is an integer number (8437203).

Almost surely, 2^53123045 is an apocalyptic number.

It is an amenable number.

53123045 is a deficient number, since it is larger than the sum of its proper divisors (14374579).

53123045 is a wasteful number, since it uses less digits than its factorization.

53123045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624999.

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

The square root of 53123045 is about 7288.5557554292. Note that the first 3 decimals coincide. The cubic root of 53123045 is about 375.9190376646.

The spelling of 53123045 in words is "fifty-three million, one hundred twenty-three thousand, forty-five".