52255724072 has 16 divisors (see below), whose sum is σ = 97991710740. Its totient is φ = 26124601216.

The previous prime is 52255723991. The next prime is 52255724077. The reversal of 52255724072 is 27042755225.

It can be written as a sum of positive squares in 2 ways, for example, as 49251149476 + 3004574596 = 221926^2 + 54814^2 .

It is a super-2 number, since 2×52255724072² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52255724077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338813 + ... + 468300.

Almost surely, 2^52255724072 is an apocalyptic number.

It is an amenable number.

52255724072 is a deficient number, since it is larger than the sum of its proper divisors (45735986668).

52255724072 is a wasteful number, since it uses less digits than its factorization.

52255724072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815212 (or 815208 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 41.

The spelling of 52255724072 in words is "fifty-two billion, two hundred fifty-five million, seven hundred twenty-four thousand, seventy-two".