55012293 has 24 divisors (see below), whose sum is σ = 92176448. Its totient is φ = 30964032.

The previous prime is 55012273. The next prime is 55012313. The reversal of 55012293 is 39221055.

55012293 is a `hidden beast` number, since 550 + 1 + 22 + 93 = 666.

It is an interprime number because it is at equal distance from previous prime (55012273) and next prime (55012313).

It is not a de Polignac number, because 55012293 - 2⁵ = 55012261 is a prime.

It is a super-2 number, since 2×55012293² = 6052704762235698, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55012253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2296 + ... + 10737.

Almost surely, 2^55012293 is an apocalyptic number.

It is an amenable number.

55012293 is a deficient number, since it is larger than the sum of its proper divisors (37164155).

55012293 is a wasteful number, since it uses less digits than its factorization.

55012293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113 (or 13110 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 55012293 is about 7417.0272346810. The cubic root of 55012293 is about 380.3235771137.

The spelling of 55012293 in words is "fifty-five million, twelve thousand, two hundred ninety-three".