53551402305 has 16 divisors (see below), whose sum is σ = 86000771520. Its totient is φ = 28454571968.

The previous prime is 53551402271. The next prime is 53551402309. The reversal of 53551402305 is 50320415535.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53551402305 - 2¹¹ = 53551400257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53551402309) 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 15 ways as a sum of consecutive naturals, for example, 6631827 + ... + 6639896.

It is an arithmetic number, because the mean of its divisors is an integer number (5375048220).

Almost surely, 2^53551402305 is an apocalyptic number.

It is an amenable number.

53551402305 is a deficient number, since it is larger than the sum of its proper divisors (32449369215).

53551402305 is a wasteful number, since it uses less digits than its factorization.

53551402305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272000.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 53551402305 in words is "fifty-three billion, five hundred fifty-one million, four hundred two thousand, three hundred five".