49503187520 has 28 divisors (see below), whose sum is σ = 117879466044. Its totient is φ = 19801274880.

The previous prime is 49503187511. The next prime is 49503187673. The reversal of 49503187520 is 2578130594.

It can be written as a sum of positive squares in 2 ways, for example, as 23602791424 + 25900396096 = 153632^2 + 160936^2 .

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, 77348411 + ... + 77349050.

Almost surely, 2^49503187520 is an apocalyptic number.

49503187520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49503187520 is an abundant number, since it is smaller than the sum of its proper divisors (68376278524).

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

49503187520 is a wasteful number, since it uses less digits than its factorization.

49503187520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154697478 (or 154697468 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 49503187520 in words is "forty-nine billion, five hundred three million, one hundred eighty-seven thousand, five hundred twenty".