51542001233 has 8 divisors (see below), whose sum is σ = 54461035200. Its totient is φ = 48643597008.

The previous prime is 51542001227. The next prime is 51542001241. The reversal of 51542001233 is 33210024515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51542001233 - 2¹⁸ = 51541739089 is a prime.

It is a super-2 number, since 2×51542001233² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51542001253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5152298 + ... + 5162291.

It is an arithmetic number, because the mean of its divisors is an integer number (6807629400).

Almost surely, 2^51542001233 is an apocalyptic number.

It is an amenable number.

51542001233 is a deficient number, since it is larger than the sum of its proper divisors (2919033967).

51542001233 is a wasteful number, since it uses less digits than its factorization.

51542001233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10314871.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 51542001233 its reverse (33210024515), we get a palindrome (84752025748).

The spelling of 51542001233 in words is "fifty-one billion, five hundred forty-two million, one thousand, two hundred thirty-three".