53511550856 has 16 divisors (see below), whose sum is σ = 100425139200. Its totient is φ = 26731513744.

The previous prime is 53511550843. The next prime is 53511550861. The reversal of 53511550856 is 65805511535.

It is a happy number.

53511550856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3023336 + ... + 3040983.

It is an arithmetic number, because the mean of its divisors is an integer number (6276571200).

Almost surely, 2^53511550856 is an apocalyptic number.

It is an amenable number.

53511550856 is a deficient number, since it is larger than the sum of its proper divisors (46913588344).

53511550856 is a wasteful number, since it uses less digits than its factorization.

53511550856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065428 (or 6065424 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 44.

The spelling of 53511550856 in words is "fifty-three billion, five hundred eleven million, five hundred fifty thousand, eight hundred fifty-six".