53055500278 has 16 divisors (see below), whose sum is σ = 87124879296. Its totient is φ = 24030917640.

The previous prime is 53055500273. The next prime is 53055500293. The reversal of 53055500278 is 87200555035.

It is a happy number.

It is a super-2 number, since 2×53055500278² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53055500278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53055500273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4254576 + ... + 4267027.

It is an arithmetic number, because the mean of its divisors is an integer number (5445304956).

Almost surely, 2^53055500278 is an apocalyptic number.

53055500278 is a deficient number, since it is larger than the sum of its proper divisors (34069379018).

53055500278 is a wasteful number, since it uses less digits than its factorization.

53055500278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521899.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 53055500278 in words is "fifty-three billion, fifty-five million, five hundred thousand, two hundred seventy-eight".