51122150454 has 32 divisors (see below), whose sum is σ = 105310434816. Its totient is φ = 16532350560.

The previous prime is 51122150419. The next prime is 51122150467. The reversal of 51122150454 is 45405122115.

It is a super-2 number, since 2×51122150454² (a number of 22 digits) contains 22 as substring.

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, 254782 + ... + 408849.

It is an arithmetic number, because the mean of its divisors is an integer number (3290951088).

Almost surely, 2^51122150454 is an apocalyptic number.

51122150454 is an abundant number, since it is smaller than the sum of its proper divisors (54188284362).

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

51122150454 is a wasteful number, since it uses less digits than its factorization.

51122150454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664020.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 51122150454 its reverse (45405122115), we get a palindrome (96527272569).

The spelling of 51122150454 in words is "fifty-one billion, one hundred twenty-two million, one hundred fifty thousand, four hundred fifty-four".