53439244293435 has 384 divisors, whose sum is σ = 118195676928000. Its totient is φ = 20429131806720.

The previous prime is 53439244293431. The next prime is 53439244293443.

It is a happy number.

53439244293435 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53439244293435 - 2² = 53439244293431 is a prime.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53439244293431) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 2802405081 + ... + 2802424149.

It is an arithmetic number, because the mean of its divisors is an integer number (307801242000).

Almost surely, 2^{53439244293435} is an apocalyptic number.

53439244293435 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53439244293435 is an abundant number, since it is smaller than the sum of its proper divisors (64756432634565).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53439244293435 is a wasteful number, since it uses less digits than its factorization.

53439244293435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428 (or 19401 counting only the distinct ones).

The product of its digits is 167961600, while the sum is 60.

The spelling of 53439244293435 in words is "fifty-three trillion, four hundred thirty-nine billion, two hundred forty-four million, two hundred ninety-three thousand, four hundred thirty-five".