53872587 has 16 divisors (see below), whose sum is σ = 79925280. Its totient is φ = 35863776.

The previous prime is 53872547. The next prime is 53872607. The reversal of 53872587 is 78527835.

It is not a de Polignac number, because 53872587 - 2⁸ = 53872331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53872547) 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, 32593 + ... + 34205.

It is an arithmetic number, because the mean of its divisors is an integer number (4995330).

Almost surely, 2^53872587 is an apocalyptic number.

53872587 is a deficient number, since it is larger than the sum of its proper divisors (26052693).

53872587 is a wasteful number, since it uses less digits than its factorization.

53872587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2853 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 53872587 is about 7339.7947518987. The cubic root of 53872587 is about 377.6788024803.

The spelling of 53872587 in words is "fifty-three million, eight hundred seventy-two thousand, five hundred eighty-seven".