51542353 has 2 divisors, whose sum is σ = 51542354. Its totient is φ = 51542352.

The previous prime is 51542347. The next prime is 51542357. The reversal of 51542353 is 35324515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46949904 + 4592449 = 6852^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 51542353 - 2⁵ = 51542321 is a prime.

It is a super-3 number, since 3×51542353³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (51542357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25771176 + 25771177.

It is an arithmetic number, because the mean of its divisors is an integer number (25771177).

Almost surely, 2^51542353 is an apocalyptic number.

It is an amenable number.

51542353 is a deficient number, since it is larger than the sum of its proper divisors (1).

51542353 is an equidigital number, since it uses as much as digits as its factorization.

51542353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 28.

The square root of 51542353 is about 7179.3003140975. The cubic root of 51542353 is about 372.1529052114.

Adding to 51542353 its reverse (35324515), we get a palindrome (86866868).

The spelling of 51542353 in words is "fifty-one million, five hundred forty-two thousand, three hundred fifty-three".