52387776 has 224 divisors, whose sum is σ = 181416960. Its totient is φ = 14515200.

The previous prime is 52387763. The next prime is 52387781. The reversal of 52387776 is 67778325.

It is a tau number, because it is divible by the number of its divisors (224).

Its product of digits (493920) is a multiple of the sum of its prime divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 737821 + ... + 737891.

Almost surely, 2^52387776 is an apocalyptic number.

52387776 is a gapful number since it is divisible by the number (56) 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 52387776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90708480).

52387776 is an abundant number, since it is smaller than the sum of its proper divisors (129029184).

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

52387776 is a wasteful number, since it uses less digits than its factorization.

52387776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 144 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 52387776 is about 7237.9400384364. The cubic root of 52387776 is about 374.1766254682.

The spelling of 52387776 in words is "fifty-two million, three hundred eighty-seven thousand, seven hundred seventy-six".