55403466 has 16 divisors (see below), whose sum is σ = 110882784. Its totient is φ = 18455184.

The previous prime is 55403461. The next prime is 55403473. The reversal of 55403466 is 66430455.

It is not an unprimeable number, because it can be changed into a prime (55403461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11745 + ... + 15771.

It is an arithmetic number, because the mean of its divisors is an integer number (6930174).

Almost surely, 2^55403466 is an apocalyptic number.

55403466 is an abundant number, since it is smaller than the sum of its proper divisors (55479318).

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

55403466 is a wasteful number, since it uses less digits than its factorization.

55403466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 55403466 is about 7443.3504552721. The cubic root of 55403466 is about 381.2228977957. Note that the first 3 decimals are identical.

The spelling of 55403466 in words is "fifty-five million, four hundred three thousand, four hundred sixty-six".