53002647 has 16 divisors (see below), whose sum is σ = 82656000. Its totient is φ = 33475032.

The previous prime is 53002639. The next prime is 53002657. The reversal of 53002647 is 74620035.

It is a happy number.

It is not a de Polignac number, because 53002647 - 2³ = 53002639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53002647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53002657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51147 + ... + 52172.

It is an arithmetic number, because the mean of its divisors is an integer number (5166000).

Almost surely, 2^53002647 is an apocalyptic number.

53002647 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

53002647 is a deficient number, since it is larger than the sum of its proper divisors (29653353).

53002647 is a wasteful number, since it uses less digits than its factorization.

53002647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103347 (or 103341 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53002647 is about 7280.2916837171. The cubic root of 53002647 is about 375.6348287069.

The spelling of 53002647 in words is "fifty-three million, two thousand, six hundred forty-seven".