54123929 has 4 divisors (see below), whose sum is σ = 54151680. Its totient is φ = 54096180.

The previous prime is 54123919. The next prime is 54123941. The reversal of 54123929 is 92932145.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92932145 = 5 ⋅18586429.

It is a cyclic number.

It is not a de Polignac number, because 54123929 - 2¹² = 54119833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54123919) 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, 10709 + ... + 14930.

It is an arithmetic number, because the mean of its divisors is an integer number (13537920).

Almost surely, 2^54123929 is an apocalyptic number.

It is an amenable number.

54123929 is a deficient number, since it is larger than the sum of its proper divisors (27751).

54123929 is a wasteful number, since it uses less digits than its factorization.

54123929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27750.

The product of its digits is 19440, while the sum is 35.

The square root of 54123929 is about 7356.8966962980. The cubic root of 54123929 is about 378.2652436002.

The spelling of 54123929 in words is "fifty-four million, one hundred twenty-three thousand, nine hundred twenty-nine".