55729901 has 8 divisors (see below), whose sum is σ = 56434560. Its totient is φ = 55028592.

The previous prime is 55729873. The next prime is 55729913. The reversal of 55729901 is 10992755.

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

It is a cyclic number.

It is not a de Polignac number, because 55729901 - 2⁶ = 55729837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55729991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51896 + ... + 52958.

It is an arithmetic number, because the mean of its divisors is an integer number (7054320).

Almost surely, 2^55729901 is an apocalyptic number.

It is an amenable number.

55729901 is a deficient number, since it is larger than the sum of its proper divisors (704659).

55729901 is a wasteful number, since it uses less digits than its factorization.

55729901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 55729901 is about 7465.2462116128. The cubic root of 55729901 is about 381.9701487963.

The spelling of 55729901 in words is "fifty-five million, seven hundred twenty-nine thousand, nine hundred one".