3550404025 has 72 divisors (see below), whose sum is σ = 5343408000. Its totient is φ = 2330455680.

The previous prime is 3550404023. The next prime is 3550404041. The reversal of 3550404025 is 5204040553.

It is not a de Polignac number, because 3550404025 - 2¹ = 3550404023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3550403984 and 3550404002.

It is not an unprimeable number, because it can be changed into a prime (3550404023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4937616 + ... + 4938334.

It is an arithmetic number, because the mean of its divisors is an integer number (74214000).

Almost surely, 2^3550404025 is an apocalyptic number.

3550404025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3550404025 is a deficient number, since it is larger than the sum of its proper divisors (1793003975).

3550404025 is a wasteful number, since it uses less digits than its factorization.

3550404025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 3550404025 is about 59585.2668450851. The cubic root of 3550404025 is about 1525.5481716504.

Adding to 3550404025 its reverse (5204040553), we get a palindrome (8754444578).

The spelling of 3550404025 in words is "three billion, five hundred fifty million, four hundred four thousand, twenty-five".