50967990 has 24 divisors (see below), whose sum is σ = 132517008. Its totient is φ = 13591440.

The previous prime is 50967979. The next prime is 50967991. The reversal of 50967990 is 9976905.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50967991) 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, 283066 + ... + 283245.

It is an arithmetic number, because the mean of its divisors is an integer number (5521542).

Almost surely, 2^50967990 is an apocalyptic number.

50967990 is an abundant number, since it is smaller than the sum of its proper divisors (81549018).

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

50967990 is a wasteful number, since it uses less digits than its factorization.

50967990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566324 (or 566321 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 50967990 is about 7139.1869284954. The cubic root of 50967990 is about 370.7653745208.

The spelling of 50967990 in words is "fifty million, nine hundred sixty-seven thousand, nine hundred ninety".