55245345 has 16 divisors (see below), whose sum is σ = 90061632. Its totient is φ = 28907840.

The previous prime is 55245343. The next prime is 55245349. The reversal of 55245345 is 54354255.

55245345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55245345 - 2¹ = 55245343 is a prime.

It is a super-4 number, since 4×55245345⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (55245341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33951 + ... + 35540.

It is an arithmetic number, because the mean of its divisors is an integer number (5628852).

Almost surely, 2^55245345 is an apocalyptic number.

It is an amenable number.

55245345 is a deficient number, since it is larger than the sum of its proper divisors (34816287).

55245345 is a wasteful number, since it uses less digits than its factorization.

55245345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69552.

The product of its digits is 60000, while the sum is 33.

The square root of 55245345 is about 7432.7212378778. The cubic root of 55245345 is about 380.8598833079.

The spelling of 55245345 in words is "fifty-five million, two hundred forty-five thousand, three hundred forty-five".