52215576 has 64 divisors (see below), whose sum is σ = 152256000. Its totient is φ = 14916384.

The previous prime is 52215529. The next prime is 52215607. The reversal of 52215576 is 67551225.

It is a congruent number.

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, 5061 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (2379000).

Almost surely, 2^52215576 is an apocalyptic number.

52215576 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 52215576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76128000).

52215576 is an abundant number, since it is smaller than the sum of its proper divisors (100040424).

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

52215576 is a wasteful number, since it uses less digits than its factorization.

52215576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373 (or 6355 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 52215576 is about 7226.0345972047. The cubic root of 52215576 is about 373.7661993031.

The spelling of 52215576 in words is "fifty-two million, two hundred fifteen thousand, five hundred seventy-six".