55252899 has 12 divisors (see below), whose sum is σ = 85949136. Its totient is φ = 34001712.

The previous prime is 55252867. The next prime is 55252937. The reversal of 55252899 is 99825255.

55252899 is a `hidden beast` number, since 552 + 5 + 2 + 8 + 99 = 666.

It is not a de Polignac number, because 55252899 - 2⁵ = 55252867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55252699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236007 + ... + 236240.

It is an arithmetic number, because the mean of its divisors is an integer number (7162428).

Almost surely, 2^55252899 is an apocalyptic number.

55252899 is a deficient number, since it is larger than the sum of its proper divisors (30696237).

55252899 is a wasteful number, since it uses less digits than its factorization.

55252899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472266 (or 472263 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 55252899 is about 7433.2293789443. The cubic root of 55252899 is about 380.8772415393.

The spelling of 55252899 in words is "fifty-five million, two hundred fifty-two thousand, eight hundred ninety-nine".