50778205401570 has 32 divisors (see below), whose sum is σ = 123686613759168. Its totient is φ = 13338752463168.

The previous prime is 50778205401569. The next prime is 50778205401577. The reversal of 50778205401570 is 7510450287705.

It is a super-2 number, since 2×50778205401570² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50778205401577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12631392369 + ... + 12631396388.

It is an arithmetic number, because the mean of its divisors is an integer number (3865206679974).

Almost surely, 2^{50778205401570} is an apocalyptic number.

50778205401570 is an abundant number, since it is smaller than the sum of its proper divisors (72908408357598).

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

50778205401570 is a wasteful number, since it uses less digits than its factorization.

50778205401570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25262788834.

The product of its (nonzero) digits is 2744000, while the sum is 51.

The spelling of 50778205401570 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred one thousand, five hundred seventy".