53513511149 has 16 divisors (see below), whose sum is σ = 66335262336. Its totient is φ = 42117619200.

The previous prime is 53513511113. The next prime is 53513511187. The reversal of 53513511149 is 94111531535.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53513511149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53513511199) 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, 5479187 + ... + 5488944.

It is an arithmetic number, because the mean of its divisors is an integer number (4145953896).

Almost surely, 2^53513511149 is an apocalyptic number.

It is an amenable number.

53513511149 is a deficient number, since it is larger than the sum of its proper divisors (12821751187).

53513511149 is a wasteful number, since it uses less digits than its factorization.

53513511149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968196.

The product of its digits is 40500, while the sum is 38.

The spelling of 53513511149 in words is "fifty-three billion, five hundred thirteen million, five hundred eleven thousand, one hundred forty-nine".