53011249556 has 6 divisors (see below), whose sum is σ = 92769686730. Its totient is φ = 26505624776.

The previous prime is 53011249553. The next prime is 53011249561. The reversal of 53011249556 is 65594211035.

It can be written as a sum of positive squares in only one way, i.e., 50131210000 + 2880039556 = 223900^2 + 53666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53011249553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6626406191 + ... + 6626406198.

It is an arithmetic number, because the mean of its divisors is an integer number (15461614455).

Almost surely, 2^53011249556 is an apocalyptic number.

It is an amenable number.

53011249556 is a deficient number, since it is larger than the sum of its proper divisors (39758437174).

53011249556 is a wasteful number, since it uses less digits than its factorization.

53011249556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13252812393 (or 13252812391 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 53011249556 in words is "fifty-three billion, eleven million, two hundred forty-nine thousand, five hundred fifty-six".