55716500 has 48 divisors (see below), whose sum is σ = 139077120. Its totient is φ = 19101600.

The previous prime is 55716491. The next prime is 55716503. The reversal of 55716500 is 561755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55716503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4460 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (2897440).

Almost surely, 2^55716500 is an apocalyptic number.

55716500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55716500 is an abundant number, since it is smaller than the sum of its proper divisors (83360620).

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

55716500 is a wasteful number, since it uses less digits than its factorization.

55716500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15945 (or 15933 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 55716500 is about 7464.3485985048. The cubic root of 55716500 is about 381.9395297317.

The spelling of 55716500 in words is "fifty-five million, seven hundred sixteen thousand, five hundred".