50778078 has 24 divisors (see below), whose sum is σ = 109971288. Its totient is φ = 15623712.

The previous prime is 50778061. The next prime is 50778113. The reversal of 50778078 is 87087705.

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, 24025 + ... + 26052.

It is an arithmetic number, because the mean of its divisors is an integer number (4582137).

Almost surely, 2^50778078 is an apocalyptic number.

50778078 is an abundant number, since it is smaller than the sum of its proper divisors (59193210).

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

50778078 is a wasteful number, since it uses less digits than its factorization.

50778078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50108 (or 50095 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 42.

The square root of 50778078 is about 7125.8738411510. The cubic root of 50778078 is about 370.3042980006.

It can be divided in two parts, 50 and 778078, that added together give a triangular number (778128 = T₁₂₄₇).

The spelling of 50778078 in words is "fifty million, seven hundred seventy-eight thousand, seventy-eight".