53828015 has 16 divisors (see below), whose sum is σ = 65604000. Its totient is φ = 42394752.

The previous prime is 53828009. The next prime is 53828029. The reversal of 53828015 is 51082835.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53828015 - 2⁸ = 53827759 is a prime.

It is a plaindrome in base 16.

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, 154061 + ... + 154409.

It is an arithmetic number, because the mean of its divisors is an integer number (4100250).

Almost surely, 2^53828015 is an apocalyptic number.

53828015 is a deficient number, since it is larger than the sum of its proper divisors (11775985).

53828015 is a wasteful number, since it uses less digits than its factorization.

53828015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 53828015 is about 7336.7577989191. The cubic root of 53828015 is about 377.5746150186.

The spelling of 53828015 in words is "fifty-three million, eight hundred twenty-eight thousand, fifteen".