49953595657 has 16 divisors (see below), whose sum is σ = 57264480000. Its totient is φ = 42686487360.

The previous prime is 49953595589. The next prime is 49953595687. The reversal of 49953595657 is 75659535994.

It is a cyclic number.

It is not a de Polignac number, because 49953595657 - 2⁷ = 49953595529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49953595592 and 49953595601.

It is not an unprimeable number, because it can be changed into a prime (49953595687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8686219 + ... + 8691967.

It is an arithmetic number, because the mean of its divisors is an integer number (3579030000).

Almost surely, 2^49953595657 is an apocalyptic number.

It is an amenable number.

49953595657 is a deficient number, since it is larger than the sum of its proper divisors (7310884343).

49953595657 is a wasteful number, since it uses less digits than its factorization.

49953595657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9336.

The product of its digits is 229635000, while the sum is 67.

The spelling of 49953595657 in words is "forty-nine billion, nine hundred fifty-three million, five hundred ninety-five thousand, six hundred fifty-seven".