50478739 has 2 divisors, whose sum is σ = 50478740. Its totient is φ = 50478738.

The previous prime is 50478683. The next prime is 50478761. The reversal of 50478739 is 93787405.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50478739 - 2¹⁵ = 50445971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50478695 and 50478704.

It is not a weakly prime, because it can be changed into another prime (50478139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25239369 + 25239370.

It is an arithmetic number, because the mean of its divisors is an integer number (25239370).

Almost surely, 2^50478739 is an apocalyptic number.

50478739 is a deficient number, since it is larger than the sum of its proper divisors (1).

50478739 is an equidigital number, since it uses as much as digits as its factorization.

50478739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 50478739 is about 7104.8391255538. The cubic root of 50478739 is about 369.5752100829.

The spelling of 50478739 in words is "fifty million, four hundred seventy-eight thousand, seven hundred thirty-nine".