55610500 has 48 divisors (see below), whose sum is σ = 132507648. Its totient is φ = 20220000.

The previous prime is 55610491. The next prime is 55610531. The reversal of 55610500 is 501655.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445 + ... + 10555.

It is an arithmetic number, because the mean of its divisors is an integer number (2760576).

Almost surely, 2^55610500 is an apocalyptic number.

55610500 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 55610500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66253824).

55610500 is an abundant number, since it is smaller than the sum of its proper divisors (76897148).

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

55610500 is a wasteful number, since it uses less digits than its factorization.

55610500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141 (or 10129 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55610500 is about 7457.2447995221. The cubic root of 55610500 is about 381.6971641142.

The spelling of 55610500 in words is "fifty-five million, six hundred ten thousand, five hundred".