55005100 has 36 divisors (see below), whose sum is σ = 119695464. Its totient is φ = 21940480.

The previous prime is 55005079. The next prime is 55005101. The reversal of 55005100 is 150055.

It is a super-2 number, since 2×55005100² = 6051122052020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55005101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55812 + ... + 56788.

It is an arithmetic number, because the mean of its divisors is an integer number (3324874).

Almost surely, 2^55005100 is an apocalyptic number.

55005100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55005100 is an abundant number, since it is smaller than the sum of its proper divisors (64690364).

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

55005100 is a wasteful number, since it uses less digits than its factorization.

55005100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 55005100 is about 7416.5423210550. The cubic root of 55005100 is about 380.3070002932.

Adding to 55005100 its reverse (150055), we get a palindrome (55155155).

The spelling of 55005100 in words is "fifty-five million, five thousand, one hundred".