52242736 has 80 divisors (see below), whose sum is σ = 127116864. Its totient is φ = 20247552.

The previous prime is 52242727. The next prime is 52242737. The reversal of 52242736 is 63724225.

It is a junction number, because it is equal to n+sod(n) for n = 52242698 and 52242707.

It is not an unprimeable number, because it can be changed into a prime (52242737) 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 15 ways as a sum of consecutive naturals, for example, 76830 + ... + 77506.

Almost surely, 2^52242736 is an apocalyptic number.

52242736 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 52242736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63558432).

52242736 is an abundant number, since it is smaller than the sum of its proper divisors (74874128).

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

52242736 is a wasteful number, since it uses less digits than its factorization.

52242736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 52242736 is about 7227.9136685492. The cubic root of 52242736 is about 373.8309930623.

The spelling of 52242736 in words is "fifty-two million, two hundred forty-two thousand, seven hundred thirty-six".