55025545 has 8 divisors (see below), whose sum is σ = 68901696. Its totient is φ = 42106416.

The previous prime is 55025521. The next prime is 55025561. The reversal of 55025545 is 54552055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55025545 - 2¹⁷ = 54894473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239127 + ... + 239356.

It is an arithmetic number, because the mean of its divisors is an integer number (8612712).

Almost surely, 2^55025545 is an apocalyptic number.

It is an amenable number.

55025545 is a deficient number, since it is larger than the sum of its proper divisors (13876151).

55025545 is a wasteful number, since it uses less digits than its factorization.

55025545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478511.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 55025545 is about 7417.9205307148. The cubic root of 55025545 is about 380.3541135819.

The spelling of 55025545 in words is "fifty-five million, twenty-five thousand, five hundred forty-five".