53663531077 has 16 divisors (see below), whose sum is σ = 58246655040. Its totient is φ = 49146694272.

The previous prime is 53663531029. The next prime is 53663531099. The reversal of 53663531077 is 77013536635.

It is not a de Polignac number, because 53663531077 - 2¹⁵ = 53663498309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53663538077) 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, 1004833 + ... + 1056889.

It is an arithmetic number, because the mean of its divisors is an integer number (3640415940).

Almost surely, 2^53663531077 is an apocalyptic number.

It is an amenable number.

53663531077 is a deficient number, since it is larger than the sum of its proper divisors (4583123963).

53663531077 is a wasteful number, since it uses less digits than its factorization.

53663531077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52692.

The product of its (nonzero) digits is 1190700, while the sum is 46.

The spelling of 53663531077 in words is "fifty-three billion, six hundred sixty-three million, five hundred thirty-one thousand, seventy-seven".