54409567513 has 6 divisors (see below), whose sum is σ = 63292762266. Its totient is φ = 46636772112.

The previous prime is 54409567483. The next prime is 54409567519. The reversal of 54409567513 is 31576590445.

It can be written as a sum of positive squares in only one way, i.e., 28722453529 + 25687113984 = 169477^2 + 160272^2 .

It is not a de Polignac number, because 54409567513 - 2³³ = 45819632921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 1110399337 = 54409567513 / (5 + 4 + 4 + 0 + 9 + 5 + 6 + 7 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54409567519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555199620 + ... + 555199717.

It is an arithmetic number, because the mean of its divisors is an integer number (10548793711).

Almost surely, 2^54409567513 is an apocalyptic number.

It is an amenable number.

54409567513 is a deficient number, since it is larger than the sum of its proper divisors (8883194753).

54409567513 is a wasteful number, since it uses less digits than its factorization.

54409567513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110399351 (or 1110399344 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 54409567513 in words is "fifty-four billion, four hundred nine million, five hundred sixty-seven thousand, five hundred thirteen".