52651042 has 4 divisors (see below), whose sum is σ = 78976566. Its totient is φ = 26325520.

The previous prime is 52651021. The next prime is 52651043. The reversal of 52651042 is 24015625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52548001 + 103041 = 7249^2 + 321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52650998 and 52651016.

It is not an unprimeable number, because it can be changed into a prime (52651043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13162759 + ... + 13162762.

Almost surely, 2^52651042 is an apocalyptic number.

52651042 is a deficient number, since it is larger than the sum of its proper divisors (26325524).

52651042 is a wasteful number, since it uses less digits than its factorization.

52651042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26325523.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52651042 is about 7256.1037754431. The cubic root of 52651042 is about 374.8023657861.

Adding to 52651042 its reverse (24015625), we get a palindrome (76666667).

The spelling of 52651042 in words is "fifty-two million, six hundred fifty-one thousand, forty-two".