53605331 has 8 divisors (see below), whose sum is σ = 58171344. Its totient is φ = 49102560.

The previous prime is 53605291. The next prime is 53605337. The reversal of 53605331 is 13350635.

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

It is not a de Polignac number, because 53605331 - 2¹⁰ = 53604307 is a prime.

It is a super-2 number, since 2×53605331² = 5747063023239122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53605331.

It is not an unprimeable number, because it can be changed into a prime (53605337) 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, 14036 + ... + 17441.

It is an arithmetic number, because the mean of its divisors is an integer number (7271418).

Almost surely, 2^53605331 is an apocalyptic number.

53605331 is a deficient number, since it is larger than the sum of its proper divisors (4566013).

53605331 is a wasteful number, since it uses less digits than its factorization.

53605331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 53605331 is about 7321.5661575922. The cubic root of 53605331 is about 377.0532258154.

Adding to 53605331 its reverse (13350635), we get a palindrome (66955966).

The spelling of 53605331 in words is "fifty-three million, six hundred five thousand, three hundred thirty-one".