53553503 has 8 divisors (see below), whose sum is σ = 55260240. Its totient is φ = 51865920.

The previous prime is 53553497. The next prime is 53553527. The reversal of 53553503 is 30535535.

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

It is a cyclic number.

It is not a de Polignac number, because 53553503 - 2⁶ = 53553439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53553593) 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, 1001 + ... + 10397.

It is an arithmetic number, because the mean of its divisors is an integer number (6907530).

Almost surely, 2^53553503 is an apocalyptic number.

53553503 is a deficient number, since it is larger than the sum of its proper divisors (1706737).

53553503 is a wasteful number, since it uses less digits than its factorization.

53553503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9577.

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 53553503 is about 7318.0258950075. The cubic root of 53553503 is about 376.9316693980.

The spelling of 53553503 in words is "fifty-three million, five hundred fifty-three thousand, five hundred three".