55465555 has 8 divisors (see below), whose sum is σ = 67496544. Its totient is φ = 43747200.

The previous prime is 55465519. The next prime is 55465559. The reversal of 55465555 is 55556455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55465555 - 2¹⁷ = 55334483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55465559) 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, 77766 + ... + 78475.

It is an arithmetic number, because the mean of its divisors is an integer number (8437068).

Almost surely, 2^55465555 is an apocalyptic number.

55465555 is a deficient number, since it is larger than the sum of its proper divisors (12030989).

55465555 is a wasteful number, since it uses less digits than its factorization.

55465555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156317.

The product of its digits is 375000, while the sum is 40.

The square root of 55465555 is about 7447.5200570391. The cubic root of 55465555 is about 381.3652529810.

The spelling of 55465555 in words is "fifty-five million, four hundred sixty-five thousand, five hundred fifty-five".