53451655615435 has 16 divisors (see below), whose sum is σ = 79969230220032. Its totient is φ = 33320512591200.

The previous prime is 53451655615433. The next prime is 53451655615439.

53451655615435 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53451655615435 - 2¹ = 53451655615433 is a prime.

It is a super-2 number, since 2×53451655615435² (a number of 28 digits) contains 22 as substring.

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 53451655615435.

It is not an unprimeable number, because it can be changed into a prime (53451655615433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69417734181 + ... + 69417734950.

It is an arithmetic number, because the mean of its divisors is an integer number (4998076888752).

Almost surely, 2^{53451655615435} is an apocalyptic number.

53451655615435 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53451655615435 is a deficient number, since it is larger than the sum of its proper divisors (26517574604597).

53451655615435 is a wasteful number, since it uses less digits than its factorization.

53451655615435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138835469154.

The product of its digits is 81000000, while the sum is 58.

The spelling of 53451655615435 in words is "fifty-three trillion, four hundred fifty-one billion, six hundred fifty-five million, six hundred fifteen thousand, four hundred thirty-five".