51532450354 has 64 divisors (see below), whose sum is σ = 98878602240. Its totient is φ = 19557961920.

The previous prime is 51532450331. The next prime is 51532450357. The reversal of 51532450354 is 45305423515.

It is not an unprimeable number, because it can be changed into a prime (51532450357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2499472 + ... + 2520004.

It is an arithmetic number, because the mean of its divisors is an integer number (1544978160).

Almost surely, 2^51532450354 is an apocalyptic number.

51532450354 is a deficient number, since it is larger than the sum of its proper divisors (47346151886).

51532450354 is a wasteful number, since it uses less digits than its factorization.

51532450354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20975.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 51532450354 its reverse (45305423515), we get a palindrome (96837873869).

The spelling of 51532450354 in words is "fifty-one billion, five hundred thirty-two million, four hundred fifty thousand, three hundred fifty-four".