51362254061534 has 24 divisors (see below), whose sum is σ = 83789977392360. Its totient is φ = 23602137537888.

The previous prime is 51362254061513. The next prime is 51362254061539. The reversal of 51362254061534 is 43516045226315.

It is a super-2 number, since 2×51362254061534² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51362254061539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331711532 + ... + 331866335.

It is an arithmetic number, because the mean of its divisors is an integer number (3491249058015).

Almost surely, 2^{51362254061534} is an apocalyptic number.

51362254061534 is a deficient number, since it is larger than the sum of its proper divisors (32427723330826).

51362254061534 is a wasteful number, since it uses less digits than its factorization.

51362254061534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663578124 (or 663578111 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 47.

Adding to 51362254061534 its reverse (43516045226315), we get a palindrome (94878299287849).

The spelling of 51362254061534 in words is "fifty-one trillion, three hundred sixty-two billion, two hundred fifty-four million, sixty-one thousand, five hundred thirty-four".