55516995 has 32 divisors (see below), whose sum is σ = 99935040. Its totient is φ = 29603232.

The previous prime is 55516987. The next prime is 55516997. The reversal of 55516995 is 59961555.

55516995 is a `hidden beast` number, since 5 + 551 + 6 + 9 + 95 = 666.

55516995 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 55516995 - 2³ = 55516987 is a prime.

It is a super-3 number, since 3×55516995³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55516995.

It is not an unprimeable number, because it can be changed into a prime (55516997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8397 + ... + 13473.

It is an arithmetic number, because the mean of its divisors is an integer number (3122970).

Almost surely, 2^55516995 is an apocalyptic number.

55516995 is a deficient number, since it is larger than the sum of its proper divisors (44418045).

55516995 is an frugal number, since it uses more digits than its factorization.

55516995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5085 counting only the distinct ones).

The product of its digits is 303750, while the sum is 45.

The square root of 55516995 is about 7450.9727552850. The cubic root of 55516995 is about 381.4831121171.

The spelling of 55516995 in words is "fifty-five million, five hundred sixteen thousand, nine hundred ninety-five".