55729411 has 4 divisors (see below), whose sum is σ = 56240800. Its totient is φ = 55218024.

The previous prime is 55729393. The next prime is 55729433. The reversal of 55729411 is 11492755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55729411 - 2⁵ = 55729379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55729811) 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, 255531 + ... + 255748.

It is an arithmetic number, because the mean of its divisors is an integer number (14060200).

Almost surely, 2^55729411 is an apocalyptic number.

55729411 is a deficient number, since it is larger than the sum of its proper divisors (511389).

55729411 is a wasteful number, since it uses less digits than its factorization.

55729411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511388.

The product of its digits is 12600, while the sum is 34.

The square root of 55729411 is about 7465.2133927973. The cubic root of 55729411 is about 381.9690293139.

The spelling of 55729411 in words is "fifty-five million, seven hundred twenty-nine thousand, four hundred eleven".