53011242 has 12 divisors (see below), whose sum is σ = 114857730. Its totient is φ = 17670408.

The previous prime is 53011241. The next prime is 53011243. The reversal of 53011242 is 24211035.

It is an interprime number because it is at equal distance from previous prime (53011241) and next prime (53011243).

It can be written as a sum of positive squares in only one way, i.e., 28419561 + 24591681 = 5331^2 + 4959^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2945069 = 53011242 / (5 + 3 + 0 + 1 + 1 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (53011241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1472517 + ... + 1472552.

Almost surely, 2^53011242 is an apocalyptic number.

53011242 is an abundant number, since it is smaller than the sum of its proper divisors (61846488).

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

53011242 is a wasteful number, since it uses less digits than its factorization.

53011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945077 (or 2945074 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 53011242 is about 7280.8819520715. The cubic root of 53011242 is about 375.6551321385.

Adding to 53011242 its reverse (24211035), we get a palindrome (77222277).

The spelling of 53011242 in words is "fifty-three million, eleven thousand, two hundred forty-two".