55333025 has 12 divisors (see below), whose sum is σ = 74850864. Its totient is φ = 40242000.

The previous prime is 55332941. The next prime is 55333027. The reversal of 55333025 is 52033355.

It is not a de Polignac number, because 55333025 - 2¹² = 55328929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55332985 and 55333003.

It is not an unprimeable number, because it can be changed into a prime (55333027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100331 + ... + 100880.

It is an arithmetic number, because the mean of its divisors is an integer number (6237572).

Almost surely, 2^55333025 is an apocalyptic number.

55333025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55333025 is a deficient number, since it is larger than the sum of its proper divisors (19517839).

55333025 is a wasteful number, since it uses less digits than its factorization.

55333025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201232 (or 201227 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 55333025 is about 7438.6171429910. The cubic root of 55333025 is about 381.0612646411.

It can be divided in two parts, 553330 and 25, that added together give a palindrome (553355).

The spelling of 55333025 in words is "fifty-five million, three hundred thirty-three thousand, twenty-five".