52140799949 has 16 divisors (see below), whose sum is σ = 61057615872. Its totient is φ = 43593823728.

The previous prime is 52140799939. The next prime is 52140799957. The reversal of 52140799949 is 94999704125.

It is a de Polignac number, because none of the positive numbers 2^k-52140799949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140799939) 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, 107072 + ... + 340214.

It is an arithmetic number, because the mean of its divisors is an integer number (3816100992).

Almost surely, 2^52140799949 is an apocalyptic number.

It is an amenable number.

52140799949 is a deficient number, since it is larger than the sum of its proper divisors (8916815923).

52140799949 is a wasteful number, since it uses less digits than its factorization.

52140799949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233936.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 52140799949 in words is "fifty-two billion, one hundred forty million, seven hundred ninety-nine thousand, nine hundred forty-nine".