53459521 has 16 divisors (see below), whose sum is σ = 59581440. Its totient is φ = 47733840.

The previous prime is 53459519. The next prime is 53459569. The reversal of 53459521 is 12595435.

It is a cyclic number.

It is not a de Polignac number, because 53459521 - 2¹ = 53459519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53439521) 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, 30166 + ... + 31888.

It is an arithmetic number, because the mean of its divisors is an integer number (3723840).

Almost surely, 2^53459521 is an apocalyptic number.

It is an amenable number.

53459521 is a deficient number, since it is larger than the sum of its proper divisors (6121919).

53459521 is a wasteful number, since it uses less digits than its factorization.

53459521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its digits is 27000, while the sum is 34.

The square root of 53459521 is about 7311.6018080856. The cubic root of 53459521 is about 376.7110455799.

The spelling of 53459521 in words is "fifty-three million, four hundred fifty-nine thousand, five hundred twenty-one".