55949129 has 8 divisors (see below), whose sum is σ = 60147840. Its totient is φ = 51875856.

The previous prime is 55949119. The next prime is 55949147. The reversal of 55949129 is 92194955.

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 55949129 - 2¹⁶ = 55883593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55949129.

It is not an unprimeable number, because it can be changed into a prime (55949119) 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, 30434 + ... + 32219.

It is an arithmetic number, because the mean of its divisors is an integer number (7518480).

Almost surely, 2^55949129 is an apocalyptic number.

It is an amenable number.

55949129 is a deficient number, since it is larger than the sum of its proper divisors (4198711).

55949129 is a wasteful number, since it uses less digits than its factorization.

55949129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62719.

The product of its digits is 145800, while the sum is 44.

The square root of 55949129 is about 7479.9150396244. The cubic root of 55949129 is about 382.4703529786.

The spelling of 55949129 in words is "fifty-five million, nine hundred forty-nine thousand, one hundred twenty-nine".