49542066515 has 16 divisors (see below), whose sum is σ = 62624352000. Its totient is φ = 37520731872.

The previous prime is 49542066479. The next prime is 49542066517. The reversal of 49542066515 is 51566024594.

It is a cyclic number.

It is not a de Polignac number, because 49542066515 - 2²⁸ = 49273631059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49542066515.

It is not an unprimeable number, because it can be changed into a prime (49542066517) 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, 53477 + ... + 319286.

It is an arithmetic number, because the mean of its divisors is an integer number (3914022000).

Almost surely, 2^49542066515 is an apocalyptic number.

49542066515 is a deficient number, since it is larger than the sum of its proper divisors (13082285485).

49542066515 is a wasteful number, since it uses less digits than its factorization.

49542066515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374186.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 49542066515 in words is "forty-nine billion, five hundred forty-two million, sixty-six thousand, five hundred fifteen".