53249731516 has 24 divisors (see below), whose sum is σ = 98888428800. Its totient is φ = 25002872832.

The previous prime is 53249731489. The next prime is 53249731541. The reversal of 53249731516 is 61513794235.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841500 + ... + 902563.

It is an arithmetic number, because the mean of its divisors is an integer number (4120351200).

Almost surely, 2^53249731516 is an apocalyptic number.

It is an amenable number.

53249731516 is a deficient number, since it is larger than the sum of its proper divisors (45638697284).

53249731516 is a wasteful number, since it uses less digits than its factorization.

53249731516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744533 (or 1744531 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The spelling of 53249731516 in words is "fifty-three billion, two hundred forty-nine million, seven hundred thirty-one thousand, five hundred sixteen".