53653533 has 8 divisors (see below), whose sum is σ = 72606048. Its totient is φ = 35235024.

The previous prime is 53653507. The next prime is 53653601. The reversal of 53653533 is 33535635.

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

It is not a de Polignac number, because 53653533 - 2⁹ = 53653021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53653494 and 53653503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53653333) 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, 133266 + ... + 133667.

It is an arithmetic number, because the mean of its divisors is an integer number (9075756).

Almost surely, 2^53653533 is an apocalyptic number.

It is an amenable number.

53653533 is a deficient number, since it is larger than the sum of its proper divisors (18952515).

53653533 is a wasteful number, since it uses less digits than its factorization.

53653533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267003.

The product of its digits is 60750, while the sum is 33.

The square root of 53653533 is about 7324.8571999733. The cubic root of 53653533 is about 377.1662075804.

The spelling of 53653533 in words is "fifty-three million, six hundred fifty-three thousand, five hundred thirty-three".