53690667 has 16 divisors (see below), whose sum is σ = 74360832. Its totient is φ = 34421760.

The previous prime is 53690627. The next prime is 53690753. The reversal of 53690667 is 76609635.

It is not a de Polignac number, because 53690667 - 2⁶ = 53690603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53690627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13803 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (4647552).

Almost surely, 2^53690667 is an apocalyptic number.

53690667 is a deficient number, since it is larger than the sum of its proper divisors (20670165).

53690667 is a wasteful number, since it uses less digits than its factorization.

53690667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 53690667 is about 7327.3915549805. The cubic root of 53690667 is about 377.2532006715.

The spelling of 53690667 in words is "fifty-three million, six hundred ninety thousand, six hundred sixty-seven".