53552907 has 20 divisors (see below), whose sum is σ = 84706776. Its totient is φ = 33600960.

The previous prime is 53552869. The next prime is 53552909. The reversal of 53552907 is 70925535.

It is a de Polignac number, because none of the positive numbers 2^k-53552907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53552909) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18069 + ... + 20822.

Almost surely, 2^53552907 is an apocalyptic number.

53552907 is a deficient number, since it is larger than the sum of its proper divisors (31153869).

53552907 is a wasteful number, since it uses less digits than its factorization.

53552907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38920 (or 38911 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 53552907 is about 7317.9851735297. The cubic root of 53552907 is about 376.9302710948.

The spelling of 53552907 in words is "fifty-three million, five hundred fifty-two thousand, nine hundred seven".