53695215 has 48 divisors (see below), whose sum is σ = 106886208. Its totient is φ = 24427008.

The previous prime is 53695141. The next prime is 53695217. The reversal of 53695215 is 51259635.

It is not a de Polignac number, because 53695215 - 2¹⁹ = 53170927 is a prime.

It is a super-2 number, since 2×53695215² = 5766352227792450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53695215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53695217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117267 + ... + 117723.

It is an arithmetic number, because the mean of its divisors is an integer number (2226796).

Almost surely, 2^53695215 is an apocalyptic number.

53695215 is a deficient number, since it is larger than the sum of its proper divisors (53190993).

53695215 is a wasteful number, since it uses less digits than its factorization.

53695215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 845 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 53695215 is about 7327.7018907704. The cubic root of 53695215 is about 377.2638524241.

The spelling of 53695215 in words is "fifty-three million, six hundred ninety-five thousand, two hundred fifteen".