55252969 has 16 divisors (see below), whose sum is σ = 61747200. Its totient is φ = 49197456.

The previous prime is 55252963. The next prime is 55252987. The reversal of 55252969 is 96925255.

It is a cyclic number.

It is not a de Polignac number, because 55252969 - 2³ = 55252961 is a prime.

It is a super-2 number, since 2×55252969² = 6105781166629922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55252961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24712 + ... + 26854.

It is an arithmetic number, because the mean of its divisors is an integer number (3859200).

Almost surely, 2^55252969 is an apocalyptic number.

55252969 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

55252969 is a deficient number, since it is larger than the sum of its proper divisors (6494231).

55252969 is a wasteful number, since it uses less digits than its factorization.

55252969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244.

The product of its digits is 243000, while the sum is 43.

The square root of 55252969 is about 7433.2340875288. The cubic root of 55252969 is about 380.8774023839.

The spelling of 55252969 in words is "fifty-five million, two hundred fifty-two thousand, nine hundred sixty-nine".