53123015 has 16 divisors (see below), whose sum is σ = 69690240. Its totient is φ = 38553120.

The previous prime is 53122969. The next prime is 53123023. The reversal of 53123015 is 51032135.

It is not a de Polignac number, because 53123015 - 2¹⁴ = 53106631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39992 + ... + 41298.

It is an arithmetic number, because the mean of its divisors is an integer number (4355640).

Almost surely, 2^53123015 is an apocalyptic number.

53123015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53123015 is a deficient number, since it is larger than the sum of its proper divisors (16567225).

53123015 is a wasteful number, since it uses less digits than its factorization.

53123015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 53123015 is about 7288.5536974080. The cubic root of 53123015 is about 375.9189669007.

The spelling of 53123015 in words is "fifty-three million, one hundred twenty-three thousand, fifteen".