50997340 has 12 divisors (see below), whose sum is σ = 107094456. Its totient is φ = 20398928.

The previous prime is 50997337. The next prime is 50997343. The reversal of 50997340 is 4379905.

It is an interprime number because it is at equal distance from previous prime (50997337) and next prime (50997343).

It is a self number, because there is not a number n which added to its sum of digits gives 50997340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50997343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274914 + ... + 1274953.

It is an arithmetic number, because the mean of its divisors is an integer number (8924538).

Almost surely, 2^50997340 is an apocalyptic number.

It is an amenable number.

50997340 is an abundant number, since it is smaller than the sum of its proper divisors (56097116).

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

50997340 is a wasteful number, since it uses less digits than its factorization.

50997340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549876 (or 2549874 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 50997340 is about 7141.2421888632. The cubic root of 50997340 is about 370.8365294791.

The spelling of 50997340 in words is "fifty million, nine hundred ninety-seven thousand, three hundred forty".