53449799937 has 8 divisors (see below), whose sum is σ = 73004604960. Its totient is φ = 34764097440.

The previous prime is 53449799917. The next prime is 53449799947. The reversal of 53449799937 is 73999794435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53449799937 - 2¹⁴ = 53449783553 is a prime.

It is a super-2 number, since 2×53449799937² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53449799917) 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 7 ways as a sum of consecutive naturals, for example, 217275487 + ... + 217275732.

It is an arithmetic number, because the mean of its divisors is an integer number (9125575620).

Almost surely, 2^53449799937 is an apocalyptic number.

It is an amenable number.

53449799937 is a deficient number, since it is larger than the sum of its proper divisors (19554805023).

53449799937 is a wasteful number, since it uses less digits than its factorization.

53449799937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434551263.

The product of its digits is 231472080, while the sum is 69.

The spelling of 53449799937 in words is "fifty-three billion, four hundred forty-nine million, seven hundred ninety-nine thousand, nine hundred thirty-seven".