54413387749 has 12 divisors (see below), whose sum is σ = 63568881324. Its totient is φ = 46439865024.

The previous prime is 54413387683. The next prime is 54413387773. The reversal of 54413387749 is 94778331445.

It can be written as a sum of positive squares in 2 ways, for example, as 36398916225 + 18014471524 = 190785^2 + 134218^2 .

It is not a de Polignac number, because 54413387749 - 2²³ = 54404999141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54413387749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54413337749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2371582 + ... + 2394415.

It is an arithmetic number, because the mean of its divisors is an integer number (5297406777).

Almost surely, 2^54413387749 is an apocalyptic number.

It is an amenable number.

54413387749 is a deficient number, since it is larger than the sum of its proper divisors (9155493575).

54413387749 is a wasteful number, since it uses less digits than its factorization.

54413387749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766244 (or 4766237 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 54413387749 in words is "fifty-four billion, four hundred thirteen million, three hundred eighty-seven thousand, seven hundred forty-nine".