53421511512435 has 16 divisors (see below), whose sum is σ = 93244820094720. Its totient is φ = 25901338915040.

The previous prime is 53421511512433. The next prime is 53421511512437.

53421511512435 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (53421511512433) and next prime (53421511512437).

It is not a de Polignac number, because 53421511512435 - 2¹ = 53421511512433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53421511512433) 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, 161883368055 + ... + 161883368384.

It is an arithmetic number, because the mean of its divisors is an integer number (5827801255920).

Almost surely, 2^{53421511512435} is an apocalyptic number.

53421511512435 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53421511512435 is a deficient number, since it is larger than the sum of its proper divisors (39823308582285).

53421511512435 is a wasteful number, since it uses less digits than its factorization.

53421511512435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323766736458.

The product of its digits is 360000, while the sum is 42.

It can be divided in two parts, 5342151 and 1512435, that added together give a palindrome (6854586).

The spelling of 53421511512435 in words is "fifty-three trillion, four hundred twenty-one billion, five hundred eleven million, five hundred twelve thousand, four hundred thirty-five".