55269970 has 16 divisors (see below), whose sum is σ = 113698368. Its totient is φ = 18949680.

The previous prime is 55269959. The next prime is 55269983. The reversal of 55269970 is 7996255.

It is a happy number.

55269970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 394716 + ... + 394855.

It is an arithmetic number, because the mean of its divisors is an integer number (7106148).

Almost surely, 2^55269970 is an apocalyptic number.

55269970 is an abundant number, since it is smaller than the sum of its proper divisors (58428398).

55269970 is a wasteful number, since it uses less digits than its factorization.

55269970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789585.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 55269970 is about 7434.3775798650. The cubic root of 55269970 is about 380.9164629256.

The spelling of 55269970 in words is "fifty-five million, two hundred sixty-nine thousand, nine hundred seventy".