55234729 has 16 divisors (see below), whose sum is σ = 64788480. Its totient is φ = 46550160.

The previous prime is 55234727. The next prime is 55234741. The reversal of 55234729 is 92743255.

It is a cyclic number.

It is not a de Polignac number, because 55234729 - 2¹ = 55234727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55234721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7012 + ... + 12634.

It is an arithmetic number, because the mean of its divisors is an integer number (4049280).

Almost surely, 2^55234729 is an apocalyptic number.

It is an amenable number.

55234729 is a deficient number, since it is larger than the sum of its proper divisors (9553751).

55234729 is a wasteful number, since it uses less digits than its factorization.

55234729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700.

The product of its digits is 75600, while the sum is 37.

The square root of 55234729 is about 7432.0070640440. The cubic root of 55234729 is about 380.8354862748.

The spelling of 55234729 in words is "fifty-five million, two hundred thirty-four thousand, seven hundred twenty-nine".