53366667 has 16 divisors (see below), whose sum is σ = 72963072. Its totient is φ = 34680320.

The previous prime is 53366657. The next prime is 53366681. The reversal of 53366667 is 76666335.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53366667 - 2⁶ = 53366603 is a prime.

It is a super-4 number, since 4×53366667⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (53366657) 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, 43243 + ... + 44459.

It is an arithmetic number, because the mean of its divisors is an integer number (4560192).

Almost surely, 2^53366667 is an apocalyptic number.

53366667 is a deficient number, since it is larger than the sum of its proper divisors (19596405).

53366667 is a wasteful number, since it uses less digits than its factorization.

53366667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578.

The product of its digits is 408240, while the sum is 42.

The square root of 53366667 is about 7305.2492770610. The cubic root of 53366667 is about 376.4928156736.

The spelling of 53366667 in words is "fifty-three million, three hundred sixty-six thousand, six hundred sixty-seven".