52677505408 has 128 divisors (see below), whose sum is σ = 119947299840. Its totient is φ = 22824806400.

The previous prime is 52677505351. The next prime is 52677505409. The reversal of 52677505408 is 80450577625.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52677505409) 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, 2915410 + ... + 2933422.

It is an arithmetic number, because the mean of its divisors is an integer number (937088280).

Almost surely, 2^52677505408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52677505408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59973649920).

52677505408 is an abundant number, since it is smaller than the sum of its proper divisors (67269794432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52677505408 is a wasteful number, since it uses less digits than its factorization.

52677505408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18136 (or 18124 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 52677505408 in words is "fifty-two billion, six hundred seventy-seven million, five hundred five thousand, four hundred eight".