55355500 has 24 divisors (see below), whose sum is σ = 120897504. Its totient is φ = 22142000.

The previous prime is 55355473. The next prime is 55355527. The reversal of 55355500 is 555355.

It is an interprime number because it is at equal distance from previous prime (55355473) and next prime (55355527).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54856 + ... + 55855.

It is an arithmetic number, because the mean of its divisors is an integer number (5037396).

Almost surely, 2^55355500 is an apocalyptic number.

55355500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55355500 is an abundant number, since it is smaller than the sum of its proper divisors (65542004).

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

55355500 is a wasteful number, since it uses less digits than its factorization.

55355500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110730 (or 110718 counting only the distinct ones).

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 55355500 is about 7440.1276870763. The cubic root of 55355500 is about 381.1128504263.

It can be divided in two parts, 55355 and 500, that added together give a palindrome (55855).

The spelling of 55355500 in words is "fifty-five million, three hundred fifty-five thousand, five hundred".