55038929 has 4 divisors (see below), whose sum is σ = 60042480. Its totient is φ = 50035380.

The previous prime is 55038913. The next prime is 55038937. The reversal of 55038929 is 92983055.

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 55038929 - 2⁴ = 55038913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55038629) 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, 2501759 + ... + 2501780.

It is an arithmetic number, because the mean of its divisors is an integer number (15010620).

Almost surely, 2^55038929 is an apocalyptic number.

It is an amenable number.

55038929 is a deficient number, since it is larger than the sum of its proper divisors (5003551).

55038929 is a wasteful number, since it uses less digits than its factorization.

55038929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003550.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 55038929 is about 7418.8226154829. The cubic root of 55038929 is about 380.3849492406.

The spelling of 55038929 in words is "fifty-five million, thirty-eight thousand, nine hundred twenty-nine".