52150720 has 28 divisors (see below), whose sum is σ = 124184664. Its totient is φ = 20860160.

The previous prime is 52150717. The next prime is 52150727. The reversal of 52150720 is 2705125.

It is a junction number, because it is equal to n+sod(n) for n = 52150691 and 52150700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52150727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81166 + ... + 81805.

Almost surely, 2^52150720 is an apocalyptic number.

It is an amenable number.

52150720 is an abundant number, since it is smaller than the sum of its proper divisors (72033944).

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

52150720 is a wasteful number, since it uses less digits than its factorization.

52150720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162988 (or 162978 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 52150720 is about 7221.5455409490. The cubic root of 52150720 is about 373.6113858302.

Adding to 52150720 its reverse (2705125), we get a palindrome (54855845).

The spelling of 52150720 in words is "fifty-two million, one hundred fifty thousand, seven hundred twenty".