53367021 has 12 divisors (see below), whose sum is σ = 77549472. Its totient is φ = 35363976.

The previous prime is 53367011. The next prime is 53367031. The reversal of 53367021 is 12076335.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53367011) and next prime (53367031).

It is not a de Polignac number, because 53367021 - 2¹⁰ = 53365997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53367011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16251 + ... + 19256.

It is an arithmetic number, because the mean of its divisors is an integer number (6462456).

Almost surely, 2^53367021 is an apocalyptic number.

It is an amenable number.

53367021 is a deficient number, since it is larger than the sum of its proper divisors (24182451).

53367021 is a wasteful number, since it uses less digits than its factorization.

53367021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35680 (or 35677 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 53367021 is about 7305.2735061735. The cubic root of 53367021 is about 376.4936481418.

The spelling of 53367021 in words is "fifty-three million, three hundred sixty-seven thousand, twenty-one".