53313015 has 16 divisors (see below), whose sum is σ = 97486848. Its totient is φ = 24371616.

The previous prime is 53312999. The next prime is 53313019. The reversal of 53313015 is 51031335.

It is a happy number.

It is not a de Polignac number, because 53313015 - 2⁴ = 53312999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 53312982 and 53313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53313019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253767 + ... + 253976.

It is an arithmetic number, because the mean of its divisors is an integer number (6092928).

Almost surely, 2^53313015 is an apocalyptic number.

53313015 is a deficient number, since it is larger than the sum of its proper divisors (44173833).

53313015 is a wasteful number, since it uses less digits than its factorization.

53313015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507758.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 53313015 is about 7301.5761996983. The cubic root of 53313015 is about 376.3666047717.

The spelling of 53313015 in words is "fifty-three million, three hundred thirteen thousand, fifteen".