51403250454 has 16 divisors (see below), whose sum is σ = 102810076848. Its totient is φ = 17133820832.

The previous prime is 51403250419. The next prime is 51403250467. The reversal of 51403250454 is 45405230415.

It is a super-2 number, since 2×51403250454² (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 7 ways as a sum of consecutive naturals, for example, 60544 + ... + 326300.

It is an arithmetic number, because the mean of its divisors is an integer number (6425629803).

Almost surely, 2^51403250454 is an apocalyptic number.

51403250454 is an abundant number, since it is smaller than the sum of its proper divisors (51406826394).

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

51403250454 is a wasteful number, since it uses less digits than its factorization.

51403250454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297999.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 51403250454 its reverse (45405230415), we get a palindrome (96808480869).

The spelling of 51403250454 in words is "fifty-one billion, four hundred three million, two hundred fifty thousand, four hundred fifty-four".