55526330 has 32 divisors (see below), whose sum is σ = 103118400. Its totient is φ = 21514752.

The previous prime is 55526327. The next prime is 55526333. The reversal of 55526330 is 3362555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55526327) and next prime (55526333).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55526293 and 55526302.

It is not an unprimeable number, because it can be changed into a prime (55526333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59306 + ... + 60234.

It is an arithmetic number, because the mean of its divisors is an integer number (3222450).

Almost surely, 2^55526330 is an apocalyptic number.

55526330 is a deficient number, since it is larger than the sum of its proper divisors (47592070).

55526330 is a wasteful number, since it uses less digits than its factorization.

55526330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 55526330 is about 7451.5991572279. The cubic root of 55526330 is about 381.5044926288.

Adding to 55526330 its reverse (3362555), we get a palindrome (58888885).

The spelling of 55526330 in words is "fifty-five million, five hundred twenty-six thousand, three hundred thirty".