55331466 has 16 divisors (see below), whose sum is σ = 114233088. Its totient is φ = 17848800.

The previous prime is 55331461. The next prime is 55331473. The reversal of 55331466 is 66413355.

It is a super-2 number, since 2×55331466² = 6123142259418312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55331461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148555 + ... + 148926.

It is an arithmetic number, because the mean of its divisors is an integer number (7139568).

Almost surely, 2^55331466 is an apocalyptic number.

55331466 is an abundant number, since it is smaller than the sum of its proper divisors (58901622).

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

55331466 is a wasteful number, since it uses less digits than its factorization.

55331466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297517.

The product of its digits is 32400, while the sum is 33.

The square root of 55331466 is about 7438.5123512702. The cubic root of 55331466 is about 381.0576858254.

The spelling of 55331466 in words is "fifty-five million, three hundred thirty-one thousand, four hundred sixty-six".