55521026 has 32 divisors (see below), whose sum is σ = 93090816. Its totient is φ = 24624000.

The previous prime is 55521023. The next prime is 55521071. The reversal of 55521026 is 62012555.

55521026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55520986 and 55521004.

It is not an unprimeable number, because it can be changed into a prime (55521023) 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 15 ways as a sum of consecutive naturals, for example, 290591 + ... + 290781.

It is an arithmetic number, because the mean of its divisors is an integer number (2909088).

Almost surely, 2^55521026 is an apocalyptic number.

55521026 is a deficient number, since it is larger than the sum of its proper divisors (37569790).

55521026 is a wasteful number, since it uses less digits than its factorization.

55521026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55521026 is about 7451.2432519681. The cubic root of 55521026 is about 381.4923448527.

The spelling of 55521026 in words is "fifty-five million, five hundred twenty-one thousand, twenty-six".