53265021 has 8 divisors (see below), whose sum is σ = 71072544. Its totient is φ = 35483760.

The previous prime is 53265019. The next prime is 53265031. The reversal of 53265021 is 12056235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53265021 - 2¹ = 53265019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53264982 and 53265000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53265011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (8884068).

Almost surely, 2^53265021 is an apocalyptic number.

It is an amenable number.

53265021 is a deficient number, since it is larger than the sum of its proper divisors (17807523).

53265021 is a wasteful number, since it uses less digits than its factorization.

53265021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13131.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 53265021 is about 7298.2889090526. The cubic root of 53265021 is about 376.2536319705.

The spelling of 53265021 in words is "fifty-three million, two hundred sixty-five thousand, twenty-one".