54450553513 has 4 divisors (see below), whose sum is σ = 54457764480. Its totient is φ = 54443342548.

The previous prime is 54450553481. The next prime is 54450553517. The reversal of 54450553513 is 31535505445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54450553513 - 2⁵ = 54450553481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54450553517) 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, 3594145 + ... + 3609262.

It is an arithmetic number, because the mean of its divisors is an integer number (13614441120).

Almost surely, 2^54450553513 is an apocalyptic number.

It is an amenable number.

54450553513 is a deficient number, since it is larger than the sum of its proper divisors (7210967).

54450553513 is an equidigital number, since it uses as much as digits as its factorization.

54450553513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7210966.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 54450553513 in words is "fifty-four billion, four hundred fifty million, five hundred fifty-three thousand, five hundred thirteen".