76550544 has 180 divisors, whose sum is σ = 262788240. Its totient is φ = 20684160.

The previous prime is 76550543. The next prime is 76550569. The reversal of 76550544 is 44505567.

It is a happy number.

76550544 is a `hidden beast` number, since 7 + 65 + 50 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 76550499 and 76550508.

It is not an unprimeable number, because it can be changed into a prime (76550543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 133779 + ... + 134349.

Almost surely, 2^76550544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76550544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131394120).

76550544 is an abundant number, since it is smaller than the sum of its proper divisors (186237696).

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

76550544 is a wasteful number, since it uses less digits than its factorization.

76550544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 76550544 is about 8749.3167733258. The cubic root of 76550544 is about 424.6027087729.

The spelling of 76550544 in words is "seventy-six million, five hundred fifty thousand, five hundred forty-four".