53242501 has 4 divisors (see below), whose sum is σ = 57338092. Its totient is φ = 49146912.

The previous prime is 53242489. The next prime is 53242507. The reversal of 53242501 is 10524235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10524235 = 5 ⋅2104847.

It can be written as a sum of positive squares in 2 ways, for example, as 17422276 + 35820225 = 4174^2 + 5985^2 .

It is a cyclic number.

It is not a de Polignac number, because 53242501 - 2⁷ = 53242373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53242507) 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, 2047776 + ... + 2047801.

It is an arithmetic number, because the mean of its divisors is an integer number (14334523).

Almost surely, 2^53242501 is an apocalyptic number.

It is an amenable number.

53242501 is a deficient number, since it is larger than the sum of its proper divisors (4095591).

53242501 is a wasteful number, since it uses less digits than its factorization.

53242501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4095590.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53242501 is about 7296.7459185585. The cubic root of 53242501 is about 376.2005988789.

Adding to 53242501 its reverse (10524235), we get a palindrome (63766736).

The spelling of 53242501 in words is "fifty-three million, two hundred forty-two thousand, five hundred one".