54515152761 has 4 divisors (see below), whose sum is σ = 72686870352. Its totient is φ = 36343435172.

The previous prime is 54515152739. The next prime is 54515152771. The reversal of 54515152761 is 16725151545.

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 54515152761 - 2⁵ = 54515152729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54515152771) 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, 9085858791 + ... + 9085858796.

It is an arithmetic number, because the mean of its divisors is an integer number (18171717588).

Almost surely, 2^54515152761 is an apocalyptic number.

It is an amenable number.

54515152761 is a deficient number, since it is larger than the sum of its proper divisors (18171717591).

54515152761 is a wasteful number, since it uses less digits than its factorization.

54515152761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18171717590.

The product of its digits is 210000, while the sum is 42.

The spelling of 54515152761 in words is "fifty-four billion, five hundred fifteen million, one hundred fifty-two thousand, seven hundred sixty-one".