55729574 has 8 divisors (see below), whose sum is σ = 83683368. Its totient is φ = 27835120.

The previous prime is 55729549. The next prime is 55729577. The reversal of 55729574 is 47592755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55729577) 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, 12407 + ... + 16290.

It is an arithmetic number, because the mean of its divisors is an integer number (10460421).

Almost surely, 2^55729574 is an apocalyptic number.

55729574 is a deficient number, since it is larger than the sum of its proper divisors (27953794).

55729574 is a wasteful number, since it uses less digits than its factorization.

55729574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29670.

The product of its digits is 441000, while the sum is 44.

The square root of 55729574 is about 7465.2243100928. The cubic root of 55729574 is about 381.9694017139.

The spelling of 55729574 in words is "fifty-five million, seven hundred twenty-nine thousand, five hundred seventy-four".