51340236652254 has 32 divisors (see below), whose sum is σ = 112508520241536. Its totient is φ = 15489111573920.

The previous prime is 51340236652247. The next prime is 51340236652273. The reversal of 51340236652254 is 45225663204315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713382317 + ... + 1713412280.

It is an arithmetic number, because the mean of its divisors is an integer number (3515891257548).

Almost surely, 2^{51340236652254} is an apocalyptic number.

51340236652254 is an abundant number, since it is smaller than the sum of its proper divisors (61168283589282).

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

51340236652254 is a wasteful number, since it uses less digits than its factorization.

51340236652254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426794840.

The product of its (nonzero) digits is 5184000, while the sum is 48.

Adding to 51340236652254 its reverse (45225663204315), we get a palindrome (96565899856569).

The spelling of 51340236652254 in words is "fifty-one trillion, three hundred forty billion, two hundred thirty-six million, six hundred fifty-two thousand, two hundred fifty-four".