51122525253400 has 24 divisors (see below), whose sum is σ = 118859871214620. Its totient is φ = 20449010101280.

The previous prime is 51122525253383. The next prime is 51122525253427. The reversal of 51122525253400 is 435252522115.

It is a super-2 number, since 2×51122525253400² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51122525253400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127806312934 + ... + 127806313333.

Almost surely, 2^{51122525253400} is an apocalyptic number.

51122525253400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51122525253400 is an abundant number, since it is smaller than the sum of its proper divisors (67737345961220).

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

51122525253400 is a wasteful number, since it uses less digits than its factorization.

51122525253400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255612626283 (or 255612626274 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 51122525253400 its reverse (435252522115), we get a palindrome (51557777775515).

The spelling of 51122525253400 in words is "fifty-one trillion, one hundred twenty-two billion, five hundred twenty-five million, two hundred fifty-three thousand, four hundred".