49550391000 has 192 divisors, whose sum is σ = 182706170400. Its totient is φ = 12012192000.

The previous prime is 49550390983. The next prime is 49550391013. The reversal of 49550391000 is 19305594.

49550391000 is a `hidden beast` number, since 49 + 5 + 503 + 9 + 100 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 151255 + ... + 349254.

Almost surely, 2^49550391000 is an apocalyptic number.

49550391000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49550391000 is an abundant number, since it is smaller than the sum of its proper divisors (133155779400).

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

49550391000 is a wasteful number, since it uses less digits than its factorization.

49550391000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500547 (or 500530 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

Adding to 49550391000 its reverse (19305594), we get a palindrome (49569696594).

The spelling of 49550391000 in words is "forty-nine billion, five hundred fifty million, three hundred ninety-one thousand".