55245105 has 32 divisors (see below), whose sum is σ = 98697600. Its totient is φ = 29318976.

The previous prime is 55245097. The next prime is 55245119. The reversal of 55245105 is 50154255.

55245105 is a `hidden beast` number, since 552 + 4 + 5 + 105 = 666.

It is not a de Polignac number, because 55245105 - 2³ = 55245097 is a prime.

It is a super-2 number, since 2×55245105² = 6104043252922050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30022 + ... + 31808.

It is an arithmetic number, because the mean of its divisors is an integer number (3084300).

Almost surely, 2^55245105 is an apocalyptic number.

It is an amenable number.

55245105 is a deficient number, since it is larger than the sum of its proper divisors (43452495).

55245105 is a wasteful number, since it uses less digits than its factorization.

55245105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 55245105 is about 7432.7050930331. The cubic root of 55245105 is about 380.8593317893.

The spelling of 55245105 in words is "fifty-five million, two hundred forty-five thousand, one hundred five".