52377925644 has 192 divisors, whose sum is σ = 155020884480. Its totient is φ = 15151069440.

The previous prime is 52377925637. The next prime is 52377925661. The reversal of 52377925644 is 44652977325.

52377925644 is a `hidden beast` number, since 5 + 2 + 3 + 7 + 79 + 2 + 564 + 4 = 666.

52377925644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2318427 + ... + 2340909.

It is an arithmetic number, because the mean of its divisors is an integer number (807400440).

Almost surely, 2^52377925644 is an apocalyptic number.

52377925644 is a gapful number since it is divisible by the number (54) 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 52377925644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77510442240).

52377925644 is an abundant number, since it is smaller than the sum of its proper divisors (102642958836).

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

52377925644 is a wasteful number, since it uses less digits than its factorization.

52377925644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22597 (or 22589 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The spelling of 52377925644 in words is "fifty-two billion, three hundred seventy-seven million, nine hundred twenty-five thousand, six hundred forty-four".