55025930 has 32 divisors (see below), whose sum is σ = 103057920. Its totient is φ = 21130560.

The previous prime is 55025917. The next prime is 55025933. The reversal of 55025930 is 3952055.

It is a junction number, because it is equal to n+sod(n) for n = 55025893 and 55025902.

It is not an unprimeable number, because it can be changed into a prime (55025933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42452 + ... + 43728.

It is an arithmetic number, because the mean of its divisors is an integer number (3220560).

Almost surely, 2^55025930 is an apocalyptic number.

55025930 is a deficient number, since it is larger than the sum of its proper divisors (48031990).

55025930 is a wasteful number, since it uses less digits than its factorization.

55025930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 55025930 is about 7417.9464813383. The cubic root of 55025930 is about 380.3550006607.

Adding to 55025930 its reverse (3952055), we get a palindrome (58977985).

It can be divided in two parts, 55025 and 930, that added together give a palindrome (55955).

The spelling of 55025930 in words is "fifty-five million, twenty-five thousand, nine hundred thirty".