50697378 has 24 divisors (see below), whose sum is σ = 110036316. Its totient is φ = 16869600.

The previous prime is 50697373. The next prime is 50697389. The reversal of 50697378 is 87379605.

It is a happy number.

50697378 is a `hidden beast` number, since 506 + 9 + 73 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40793769 + 9903609 = 6387^2 + 3147^2 .

It is not an unprimeable number, because it can be changed into a prime (50697373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9768 + ... + 14028.

Almost surely, 2^50697378 is an apocalyptic number.

50697378 is an abundant number, since it is smaller than the sum of its proper divisors (59338938).

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

50697378 is a wasteful number, since it uses less digits than its factorization.

50697378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4930 (or 4927 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 50697378 is about 7120.2091261423. The cubic root of 50697378 is about 370.1080230002.

The spelling of 50697378 in words is "fifty million, six hundred ninety-seven thousand, three hundred seventy-eight".