48992521 has 8 divisors (see below), whose sum is σ = 52141320. Its totient is φ = 45873408.

The previous prime is 48992509. The next prime is 48992527. The reversal of 48992521 is 12529984.

It can be written as a sum of positive squares in 4 ways, for example, as 19713600 + 29278921 = 4440^2 + 5411^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48992521 - 2¹³ = 48984329 is a prime.

It is a super-2 number, since 2×48992521² = 4800534227870882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48992527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3966 + ... + 10663.

It is an arithmetic number, because the mean of its divisors is an integer number (6517665).

Almost surely, 2^48992521 is an apocalyptic number.

It is an amenable number.

48992521 is a deficient number, since it is larger than the sum of its proper divisors (3148799).

48992521 is a wasteful number, since it uses less digits than its factorization.

48992521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14843.

The product of its digits is 51840, while the sum is 40.

The square root of 48992521 is about 6999.4657653281. The cubic root of 48992521 is about 365.9119524037.

The spelling of 48992521 in words is "forty-eight million, nine hundred ninety-two thousand, five hundred twenty-one".