53385487 has 8 divisors (see below), whose sum is σ = 54968976. Its totient is φ = 51809472.

The previous prime is 53385481. The next prime is 53385499. The reversal of 53385487 is 78458335.

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

It is not a de Polignac number, because 53385487 - 2¹¹ = 53383439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53385481) 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, 14763 + ... + 18019.

It is an arithmetic number, because the mean of its divisors is an integer number (6871122).

Almost surely, 2^53385487 is an apocalyptic number.

53385487 is a deficient number, since it is larger than the sum of its proper divisors (1583489).

53385487 is a wasteful number, since it uses less digits than its factorization.

53385487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its digits is 403200, while the sum is 43.

The square root of 53385487 is about 7306.5372783556. The cubic root of 53385487 is about 376.5370677784.

The spelling of 53385487 in words is "fifty-three million, three hundred eighty-five thousand, four hundred eighty-seven".