53011249551 has 160 divisors (see below), whose sum is σ = 92090718720. Its totient is φ = 30133990656.

The previous prime is 53011249541. The next prime is 53011249553. The reversal of 53011249551 is 15594211035.

It is a happy number.

53011249551 is a `hidden beast` number, since 5 + 3 + 0 + 112 + 495 + 51 = 666.

It is not a de Polignac number, because 53011249551 - 2¹⁰ = 53011248527 is a prime.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 113514220 + ... + 113514686.

It is an arithmetic number, because the mean of its divisors is an integer number (575566992).

Almost surely, 2^53011249551 is an apocalyptic number.

53011249551 is a deficient number, since it is larger than the sum of its proper divisors (39079469169).

53011249551 is a wasteful number, since it uses less digits than its factorization.

53011249551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 53011249551 in words is "fifty-three billion, eleven million, two hundred forty-nine thousand, five hundred fifty-one".