50387540 has 24 divisors (see below), whose sum is σ = 120930432. Its totient is φ = 17275680.

The previous prime is 50387537. The next prime is 50387567. The reversal of 50387540 is 4578305.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50387497 and 50387506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179816 + ... + 180095.

It is an arithmetic number, because the mean of its divisors is an integer number (5038768).

Almost surely, 2^50387540 is an apocalyptic number.

It is an amenable number.

50387540 is an abundant number, since it is smaller than the sum of its proper divisors (70542892).

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

50387540 is a wasteful number, since it uses less digits than its factorization.

50387540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359927 (or 359925 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 50387540 is about 7098.4181336408. The cubic root of 50387540 is about 369.3525076895.

The spelling of 50387540 in words is "fifty million, three hundred eighty-seven thousand, five hundred forty".