53401015513 has 4 divisors (see below), whose sum is σ = 54703479348. Its totient is φ = 52098551680.

The previous prime is 53401015489. The next prime is 53401015523. The reversal of 53401015513 is 31551010435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6741559449 + 46659456064 = 82107^2 + 216008^2 .

It is a cyclic number.

It is not a de Polignac number, because 53401015513 - 2⁹ = 53401015001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53401015523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651231856 + ... + 651231937.

It is an arithmetic number, because the mean of its divisors is an integer number (13675869837).

Almost surely, 2^53401015513 is an apocalyptic number.

It is an amenable number.

53401015513 is a deficient number, since it is larger than the sum of its proper divisors (1302463835).

53401015513 is a wasteful number, since it uses less digits than its factorization.

53401015513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302463834.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 53401015513 its reverse (31551010435), we get a palindrome (84952025948).

The spelling of 53401015513 in words is "fifty-three billion, four hundred one million, fifteen thousand, five hundred thirteen".