55454406 has 16 divisors (see below), whose sum is σ = 126753024. Its totient is φ = 15844104.

The previous prime is 55454401. The next prime is 55454419. The reversal of 55454406 is 60445455.

55454406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55454406² = 6150382289625672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55454401) 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 7 ways as a sum of consecutive naturals, for example, 660130 + ... + 660213.

It is an arithmetic number, because the mean of its divisors is an integer number (7922064).

Almost surely, 2^55454406 is an apocalyptic number.

55454406 is an abundant number, since it is smaller than the sum of its proper divisors (71298618).

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

55454406 is a wasteful number, since it uses less digits than its factorization.

55454406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320355.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 55454406 is about 7446.7715152273. The cubic root of 55454406 is about 381.3396988263.

The spelling of 55454406 in words is "fifty-five million, four hundred fifty-four thousand, four hundred six".