53777167747453 has 4 divisors (see below), whose sum is σ = 54012002541340. Its totient is φ = 53542332953568.

The previous prime is 53777167747399. The next prime is 53777167747561. The reversal of 53777167747453 is 35474776177735.

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 52801760656324 + 975407091129 = 7266482^2 + 987627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53777167747453 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 (53777167747753) 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, 117417396600 + ... + 117417397057.

It is an arithmetic number, because the mean of its divisors is an integer number (13503000635335).

Almost surely, 2^{53777167747453} is an apocalyptic number.

It is an amenable number.

53777167747453 is a deficient number, since it is larger than the sum of its proper divisors (234834793887).

53777167747453 is a wasteful number, since it uses less digits than its factorization.

53777167747453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234834793886.

The product of its digits is 2541218400, while the sum is 73.

The spelling of 53777167747453 in words is "fifty-three trillion, seven hundred seventy-seven billion, one hundred sixty-seven million, seven hundred forty-seven thousand, four hundred fifty-three".