55465566 has 16 divisors (see below), whose sum is σ = 119464464. Its totient is φ = 17066304.

The previous prime is 55465559. The next prime is 55465567. The reversal of 55465566 is 66556455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55465567) 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, 355471 + ... + 355626.

It is an arithmetic number, because the mean of its divisors is an integer number (7466529).

Almost surely, 2^55465566 is an apocalyptic number.

55465566 is an abundant number, since it is smaller than the sum of its proper divisors (63998898).

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

55465566 is a wasteful number, since it uses less digits than its factorization.

55465566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711115.

The product of its digits is 540000, while the sum is 42.

The square root of 55465566 is about 7447.5207955399. The cubic root of 55465566 is about 381.3652781920.

The spelling of 55465566 in words is "fifty-five million, four hundred sixty-five thousand, five hundred sixty-six".