53451486764655 has 32 divisors (see below), whose sum is σ = 98339492596224. Its totient is φ = 24285057607296.

The previous prime is 53451486764587. The next prime is 53451486764659. The reversal of 53451486764655 is 55646768415435.

It is a happy number.

It is not a de Polignac number, because 53451486764655 - 2¹² = 53451486760559 is a prime.

It is a super-2 number, since 2×53451486764655² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53451486764655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53451486764659) 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, 1561522084 + ... + 1561556313.

It is an arithmetic number, because the mean of its divisors is an integer number (3073109143632).

Almost surely, 2^{53451486764655} is an apocalyptic number.

53451486764655 is a deficient number, since it is larger than the sum of its proper divisors (44888005831569).

53451486764655 is a wasteful number, since it uses less digits than its factorization.

53451486764655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123078575.

The product of its digits is 1451520000, while the sum is 69.

The spelling of 53451486764655 in words is "fifty-three trillion, four hundred fifty-one billion, four hundred eighty-six million, seven hundred sixty-four thousand, six hundred fifty-five".