53057278890 has 144 divisors (see below), whose sum is σ = 175059649440. Its totient is φ = 11024879040.

The previous prime is 53057278873. The next prime is 53057278927. The reversal of 53057278890 is 9887275035.

53057278890 is a `hidden beast` number, since 530 + 5 + 7 + 27 + 8 + 89 + 0 = 666.

It is a super-2 number, since 2×53057278890² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 498360 + ... + 595379.

It is an arithmetic number, because the mean of its divisors is an integer number (1215692010).

Almost surely, 2^53057278890 is an apocalyptic number.

53057278890 is an abundant number, since it is smaller than the sum of its proper divisors (122002370550).

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

53057278890 is a wasteful number, since it uses less digits than its factorization.

53057278890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093777 (or 1093767 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 54.

The spelling of 53057278890 in words is "fifty-three billion, fifty-seven million, two hundred seventy-eight thousand, eight hundred ninety".