52207620 has 24 divisors (see below), whose sum is σ = 146181504. Its totient is φ = 13922016.

The previous prime is 52207613. The next prime is 52207651. The reversal of 52207620 is 2670225.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435004 + ... + 435123.

It is an arithmetic number, because the mean of its divisors is an integer number (6090896).

Almost surely, 2^52207620 is an apocalyptic number.

It is an amenable number.

52207620 is an abundant number, since it is smaller than the sum of its proper divisors (93973884).

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

52207620 is a wasteful number, since it uses less digits than its factorization.

52207620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870139 (or 870137 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 52207620 is about 7225.4840668290. The cubic root of 52207620 is about 373.7472149619.

Adding to 52207620 its reverse (2670225), we get a palindrome (54877845).

The spelling of 52207620 in words is "fifty-two million, two hundred seven thousand, six hundred twenty".