55751800 has 96 divisors (see below), whose sum is σ = 143272080. Its totient is φ = 20044800.

The previous prime is 55751797. The next prime is 55751803. The reversal of 55751800 is 815755.

55751800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55751797) and next prime (55751803).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55751803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106339 + ... + 106861.

Almost surely, 2^55751800 is an apocalyptic number.

55751800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55751800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71636040).

55751800 is an abundant number, since it is smaller than the sum of its proper divisors (87520280).

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

55751800 is a wasteful number, since it uses less digits than its factorization.

55751800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 55751800 is about 7466.7127974765. The cubic root of 55751800 is about 382.0201738201.

The spelling of 55751800 in words is "fifty-five million, seven hundred fifty-one thousand, eight hundred".