52555776 has 208 divisors, whose sum is σ = 176139264. Its totient is φ = 13565952.

The previous prime is 52555771. The next prime is 52555781. The reversal of 52555776 is 67755525.

It is an interprime number because it is at equal distance from previous prime (52555771) and next prime (52555781).

It is a tau number, because it is divible by the number of its divisors (208).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118185 + ... + 1118231.

Almost surely, 2^52555776 is an apocalyptic number.

52555776 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 52555776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88069632).

52555776 is an abundant number, since it is smaller than the sum of its proper divisors (123583488).

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

52555776 is a wasteful number, since it uses less digits than its factorization.

52555776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 72 counting only the distinct ones).

The product of its digits is 367500, while the sum is 42.

The square root of 52555776 is about 7249.5362610308. The cubic root of 52555776 is about 374.5761753966.

The spelling of 52555776 in words is "fifty-two million, five hundred fifty-five thousand, seven hundred seventy-six".