53405014311 has 32 divisors (see below), whose sum is σ = 88318391040. Its totient is φ = 31613954400.

The previous prime is 53405014303. The next prime is 53405014319. The reversal of 53405014311 is 11341050435.

It is a happy number.

53405014311 is a `hidden beast` number, since 5 + 340 + 5 + 0 + 1 + 4 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (53405014303) and next prime (53405014319).

It is not a de Polignac number, because 53405014311 - 2³ = 53405014303 is a prime.

It is a super-2 number, since 2×53405014311² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53405014319) 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, 2078100 + ... + 2103641.

It is an arithmetic number, because the mean of its divisors is an integer number (2759949720).

Almost surely, 2^53405014311 is an apocalyptic number.

53405014311 is a deficient number, since it is larger than the sum of its proper divisors (34913376729).

53405014311 is a wasteful number, since it uses less digits than its factorization.

53405014311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181804 (or 4181798 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 53405014311 its reverse (11341050435), we get a palindrome (64746064746).

The spelling of 53405014311 in words is "fifty-three billion, four hundred five million, fourteen thousand, three hundred eleven".