55620026 has 64 divisors (see below), whose sum is σ = 111476736. Its totient is φ = 20169600.

The previous prime is 55620023. The next prime is 55620041. The reversal of 55620026 is 62002655.

It is a happy number.

55620026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55619977 and 55620004.

It is not an unprimeable number, because it can be changed into a prime (55620023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145031 + ... + 145413.

It is an arithmetic number, because the mean of its divisors is an integer number (1741824).

Almost surely, 2^55620026 is an apocalyptic number.

55620026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

55620026 is a wasteful number, since it uses less digits than its factorization.

55620026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55620026 is about 7457.8834799157. The cubic root of 55620026 is about 381.7189575980.

The spelling of 55620026 in words is "fifty-five million, six hundred twenty thousand, twenty-six".