49857901530 has 64 divisors (see below), whose sum is σ = 120296337408. Its totient is φ = 13224742400.

The previous prime is 49857901421. The next prime is 49857901543. The reversal of 49857901530 is 3510975894.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8042392 + ... + 8048588.

It is an arithmetic number, because the mean of its divisors is an integer number (1879630272).

Almost surely, 2^49857901530 is an apocalyptic number.

49857901530 is an abundant number, since it is smaller than the sum of its proper divisors (70438435878).

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

49857901530 is a wasteful number, since it uses less digits than its factorization.

49857901530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7591.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 49857901530 in words is "forty-nine billion, eight hundred fifty-seven million, nine hundred one thousand, five hundred thirty".