53156120829 has 32 divisors (see below), whose sum is σ = 86597222400. Its totient is φ = 28310591232.

The previous prime is 53156120827. The next prime is 53156120903. The reversal of 53156120829 is 92802165135.

It is not a de Polignac number, because 53156120829 - 2¹ = 53156120827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53156120827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686029 + ... + 759570.

It is an arithmetic number, because the mean of its divisors is an integer number (2706163200).

Almost surely, 2^53156120829 is an apocalyptic number.

It is an amenable number.

53156120829 is a deficient number, since it is larger than the sum of its proper divisors (33441101571).

53156120829 is a wasteful number, since it uses less digits than its factorization.

53156120829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445729.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 53156120829 in words is "fifty-three billion, one hundred fifty-six million, one hundred twenty thousand, eight hundred twenty-nine".