49531761400178 has 18 divisors (see below), whose sum is σ = 77668782555567. Its totient is φ = 23688993794620.

The previous prime is 49531761400157. The next prime is 49531761400271. The reversal of 49531761400178 is 87100416713594.

It can be written as a sum of positive squares in only one way, i.e., 24765880700089 + 24765880700089 = 4976533^2 + 4976533^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4976533.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 228812333 + ... + 229028703.

Almost surely, 2^{49531761400178} is an apocalyptic number.

49531761400178 is a deficient number, since it is larger than the sum of its proper divisors (28137021155389).

49531761400178 is an frugal number, since it uses more digits than its factorization.

49531761400178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432790 (or 216396 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 49531761400178 in words is "forty-nine trillion, five hundred thirty-one billion, seven hundred sixty-one million, four hundred thousand, one hundred seventy-eight".