54929923505 has 4 divisors (see below), whose sum is σ = 65915908212. Its totient is φ = 43943938800.

The previous prime is 54929923469. The next prime is 54929923511. The reversal of 54929923505 is 50532992945.

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 21353392384 + 33576531121 = 146128^2 + 183239^2 .

It is not a de Polignac number, because 54929923505 - 2⁶ = 54929923441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5492992346 + ... + 5492992355.

It is an arithmetic number, because the mean of its divisors is an integer number (16478977053).

Almost surely, 2^54929923505 is an apocalyptic number.

It is an amenable number.

54929923505 is a deficient number, since it is larger than the sum of its proper divisors (10985984707).

54929923505 is a wasteful number, since it uses less digits than its factorization.

54929923505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985984706.

The product of its (nonzero) digits is 4374000, while the sum is 53.

The spelling of 54929923505 in words is "fifty-four billion, nine hundred twenty-nine million, nine hundred twenty-three thousand, five hundred five".