55501446 has 64 divisors (see below), whose sum is σ = 149054976. Its totient is φ = 13305600.

The previous prime is 55501429. The next prime is 55501469. The reversal of 55501446 is 64410555.

55501446 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 congruent number.

It is an unprimeable number.

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, 1386 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (2328984).

Almost surely, 2^55501446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55501446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74527488).

55501446 is an abundant number, since it is smaller than the sum of its proper divisors (93553530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55501446 is a wasteful number, since it uses less digits than its factorization.

55501446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 55501446 is about 7449.9292614091. The cubic root of 55501446 is about 381.4474939863.

It can be divided in two parts, 5550 and 1446, that added together give a palindrome (6996).

The spelling of 55501446 in words is "fifty-five million, five hundred one thousand, four hundred forty-six".