55702129 has 8 divisors (see below), whose sum is σ = 67010240. Its totient is φ = 45231696.

The previous prime is 55702123. The next prime is 55702151. The reversal of 55702129 is 92120755.

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 55702129 - 2³ = 55702121 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 55702129.

It is not an unprimeable number, because it can be changed into a prime (55702121) 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, 209274 + ... + 209539.

It is an arithmetic number, because the mean of its divisors is an integer number (8376280).

Almost surely, 2^55702129 is an apocalyptic number.

It is an amenable number.

55702129 is a deficient number, since it is larger than the sum of its proper divisors (11308111).

55702129 is a wasteful number, since it uses less digits than its factorization.

55702129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418839.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 55702129 is about 7463.3858938152. The cubic root of 55702129 is about 381.9066889217.

The spelling of 55702129 in words is "fifty-five million, seven hundred two thousand, one hundred twenty-nine".