52635503173778 has 54 divisors (see below), whose sum is σ = 92376623291103. Its totient is φ = 22427902062720.

The previous prime is 52635503173769. The next prime is 52635503173801. The reversal of 52635503173778 is 87737130553625.

It can be written as a sum of positive squares in 5 ways, for example, as 1391567044609 + 51243936129169 = 1179647^2 + 7158487^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5130083.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52635503173778.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12999628298 + ... + 12999632346.

Almost surely, 2^{52635503173778} is an apocalyptic number.

52635503173778 is a deficient number, since it is larger than the sum of its proper divisors (39741120117325).

52635503173778 is an frugal number, since it uses more digits than its factorization.

52635503173778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8476 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 111132000, while the sum is 62.

The spelling of 52635503173778 in words is "fifty-two trillion, six hundred thirty-five billion, five hundred three million, one hundred seventy-three thousand, seven hundred seventy-eight".