53503247 has 12 divisors (see below), whose sum is σ = 62848656. Its totient is φ = 45410400.

The previous prime is 53503217. The next prime is 53503327. The reversal of 53503247 is 74230535.

It is not a de Polignac number, because 53503247 - 2¹⁶ = 53437711 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 (53503207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254 + ... + 10347.

It is an arithmetic number, because the mean of its divisors is an integer number (5237388).

Almost surely, 2^53503247 is an apocalyptic number.

53503247 is a deficient number, since it is larger than the sum of its proper divisors (9345409).

53503247 is a wasteful number, since it uses less digits than its factorization.

53503247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10718 (or 10711 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 53503247 is about 7314.5913761467. The cubic root of 53503247 is about 376.8137250024.

The spelling of 53503247 in words is "fifty-three million, five hundred three thousand, two hundred forty-seven".