53406551429 has 24 divisors (see below), whose sum is σ = 68307545088. Its totient is φ = 41287760640.

The previous prime is 53406551423. The next prime is 53406551447. The reversal of 53406551429 is 92415560435.

It is not a de Polignac number, because 53406551429 - 2⁸ = 53406551173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53406551429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53406551423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321644 + ... + 458549.

It is an arithmetic number, because the mean of its divisors is an integer number (2846147712).

Almost surely, 2^53406551429 is an apocalyptic number.

It is an amenable number.

53406551429 is a deficient number, since it is larger than the sum of its proper divisors (14900993659).

53406551429 is a wasteful number, since it uses less digits than its factorization.

53406551429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780345 (or 780338 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 53406551429 in words is "fifty-three billion, four hundred six million, five hundred fifty-one thousand, four hundred twenty-nine".