53774678743 has 4 divisors (see below), whose sum is σ = 55628978040. Its totient is φ = 51920379448.

The previous prime is 53774678729. The next prime is 53774678759. The reversal of 53774678743 is 34787647735.

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

It is a de Polignac number, because none of the positive numbers 2^k-53774678743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53774678723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927149605 + ... + 927149662.

It is an arithmetic number, because the mean of its divisors is an integer number (13907244510).

Almost surely, 2^53774678743 is an apocalyptic number.

53774678743 is a deficient number, since it is larger than the sum of its proper divisors (1854299297).

53774678743 is a wasteful number, since it uses less digits than its factorization.

53774678743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854299296.

The product of its digits is 82978560, while the sum is 61.

The spelling of 53774678743 in words is "fifty-three billion, seven hundred seventy-four million, six hundred seventy-eight thousand, seven hundred forty-three".