53140149787 has 2 divisors, whose sum is σ = 53140149788. Its totient is φ = 53140149786.

The previous prime is 53140149781. The next prime is 53140149833. The reversal of 53140149787 is 78794104135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53140149787 - 2²⁷ = 53005932059 is a prime.

It is a super-2 number, since 2×53140149787² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53140149787.

It is not a weakly prime, because it can be changed into another prime (53140149781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26570074893 + 26570074894.

It is an arithmetic number, because the mean of its divisors is an integer number (26570074894).

Almost surely, 2^53140149787 is an apocalyptic number.

53140149787 is a deficient number, since it is larger than the sum of its proper divisors (1).

53140149787 is an equidigital number, since it uses as much as digits as its factorization.

53140149787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 53140149787 in words is "fifty-three billion, one hundred forty million, one hundred forty-nine thousand, seven hundred eighty-seven".