55970109 has 40 divisors (see below), whose sum is σ = 93996672. Its totient is φ = 32931360.

The previous prime is 55970107. The next prime is 55970111. The reversal of 55970109 is 90107955.

It is a happy number.

55970109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55970107) and next prime (55970111).

It is not a de Polignac number, because 55970109 - 2¹ = 55970107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55970107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23064 + ... + 25374.

Almost surely, 2^55970109 is an apocalyptic number.

It is an amenable number.

55970109 is a deficient number, since it is larger than the sum of its proper divisors (38026563).

55970109 is a wasteful number, since it uses less digits than its factorization.

55970109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The square root of 55970109 is about 7481.3173305241. The cubic root of 55970109 is about 382.5181536943.

The spelling of 55970109 in words is "fifty-five million, nine hundred seventy thousand, one hundred nine".