49983515 has 4 divisors (see below), whose sum is σ = 59980224. Its totient is φ = 39986808.

The previous prime is 49983499. The next prime is 49983523. The reversal of 49983515 is 51538994.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49983515 - 2⁴ = 49983499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4998347 + ... + 4998356.

It is an arithmetic number, because the mean of its divisors is an integer number (14995056).

Almost surely, 2^49983515 is an apocalyptic number.

49983515 is a deficient number, since it is larger than the sum of its proper divisors (9996709).

49983515 is an equidigital number, since it uses as much as digits as its factorization.

49983515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996708.

The product of its digits is 194400, while the sum is 44.

The square root of 49983515 is about 7069.9020502409. The cubic root of 49983515 is about 368.3626579075.

The spelling of 49983515 in words is "forty-nine million, nine hundred eighty-three thousand, five hundred fifteen".