53553307 has 4 divisors (see below), whose sum is σ = 53643016. Its totient is φ = 53463600.

The previous prime is 53553293. The next prime is 53553329. The reversal of 53553307 is 70335535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70335535 = 5 ⋅14067107.

It is a cyclic number.

It is not a de Polignac number, because 53553307 - 2¹¹ = 53551259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53553377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43953 + ... + 45154.

It is an arithmetic number, because the mean of its divisors is an integer number (13410754).

Almost surely, 2^53553307 is an apocalyptic number.

53553307 is a deficient number, since it is larger than the sum of its proper divisors (89709).

53553307 is an equidigital number, since it uses as much as digits as its factorization.

53553307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89708.

The product of its (nonzero) digits is 23625, while the sum is 31.

The square root of 53553307 is about 7318.0125034056. The cubic root of 53553307 is about 376.9312095544.

The spelling of 53553307 in words is "fifty-three million, five hundred fifty-three thousand, three hundred seven".