49550570368 has 64 divisors (see below), whose sum is σ = 106448403600. Its totient is φ = 22839164928.

The previous prime is 49550570351. The next prime is 49550570387. The reversal of 49550570368 is 86307505594.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260255 + ... + 1298977.

Almost surely, 2^49550570368 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 49550570368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53224201800).

49550570368 is an abundant number, since it is smaller than the sum of its proper divisors (56897833232).

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

49550570368 is a wasteful number, since it uses less digits than its factorization.

49550570368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39519 (or 39507 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 49550570368 in words is "forty-nine billion, five hundred fifty million, five hundred seventy thousand, three hundred sixty-eight".