53511087 has 80 divisors (see below), whose sum is σ = 96802560. Its totient is φ = 26078976.

The previous prime is 53511083. The next prime is 53511097. The reversal of 53511087 is 78011535.

53511087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53511087 - 2² = 53511083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53511083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2326558 + ... + 2326580.

It is an arithmetic number, because the mean of its divisors is an integer number (1210032).

Almost surely, 2^53511087 is an apocalyptic number.

53511087 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

53511087 is a deficient number, since it is larger than the sum of its proper divisors (43291473).

53511087 is a wasteful number, since it uses less digits than its factorization.

53511087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 53511087 is about 7315.1272716201. The cubic root of 53511087 is about 376.8321293391.

The spelling of 53511087 in words is "fifty-three million, five hundred eleven thousand, eighty-seven".