51603867270 has 24 divisors (see below), whose sum is σ = 134170055136. Its totient is φ = 13761031248.

The previous prime is 51603867241. The next prime is 51603867397. The reversal of 51603867270 is 7276830615.

51603867270 is a `hidden beast` number, since 516 + 0 + 3 + 8 + 67 + 2 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286688062 + ... + 286688241.

It is an arithmetic number, because the mean of its divisors is an integer number (5590418964).

Almost surely, 2^51603867270 is an apocalyptic number.

51603867270 is an abundant number, since it is smaller than the sum of its proper divisors (82566187866).

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

51603867270 is a wasteful number, since it uses less digits than its factorization.

51603867270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573376316 (or 573376313 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 51603867270 in words is "fifty-one billion, six hundred three million, eight hundred sixty-seven thousand, two hundred seventy".