55000700 has 18 divisors (see below), whose sum is σ = 119351736. Its totient is φ = 22000240.

The previous prime is 55000681. The next prime is 55000709. The reversal of 55000700 is 700055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274904 + ... + 275103.

It is an arithmetic number, because the mean of its divisors is an integer number (6630652).

Almost surely, 2^55000700 is an apocalyptic number.

55000700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55000700 is an abundant number, since it is smaller than the sum of its proper divisors (64351036).

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

55000700 is a wasteful number, since it uses less digits than its factorization.

55000700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550021 (or 550014 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 17.

The square root of 55000700 is about 7416.2456809359. The cubic root of 55000700 is about 380.2968594431.

Adding to 55000700 its reverse (700055), we get a palindrome (55700755).

The spelling of 55000700 in words is "fifty-five million, seven hundred", and thus it is an aban number.