49661571592 has 8 divisors (see below), whose sum is σ = 93115446750. Its totient is φ = 24830785792.

The previous prime is 49661571581. The next prime is 49661571593. The reversal of 49661571592 is 29517516694.

It can be written as a sum of positive squares in only one way, i.e., 45243842436 + 4417729156 = 212706^2 + 66466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49661571593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3103848217 + ... + 3103848232.

Almost surely, 2^49661571592 is an apocalyptic number.

It is an amenable number.

49661571592 is a deficient number, since it is larger than the sum of its proper divisors (43453875158).

49661571592 is a wasteful number, since it uses less digits than its factorization.

49661571592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207696455 (or 6207696451 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The spelling of 49661571592 in words is "forty-nine billion, six hundred sixty-one million, five hundred seventy-one thousand, five hundred ninety-two".