55550008025 has 24 divisors (see below), whose sum is σ = 69301397760. Its totient is φ = 44170079040.

The previous prime is 55550008013. The next prime is 55550008037. The reversal of 55550008025 is 52080005555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55550008013) and next prime (55550008037).

It is a de Polignac number, because none of the positive numbers 2^k-55550008025 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3632846 + ... + 3648104.

It is an arithmetic number, because the mean of its divisors is an integer number (2887558240).

Almost surely, 2^55550008025 is an apocalyptic number.

It is an amenable number.

55550008025 is a deficient number, since it is larger than the sum of its proper divisors (13751389735).

55550008025 is a wasteful number, since it uses less digits than its factorization.

55550008025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16145 (or 16140 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The spelling of 55550008025 in words is "fifty-five billion, five hundred fifty million, eight thousand, twenty-five".