48619521 has 10 divisors (see below), whose sum is σ = 72629282. Its totient is φ = 32412960.

The previous prime is 48619513. The next prime is 48619553. The reversal of 48619521 is 12591684.

It can be written as a sum of positive squares in only one way, i.e., 28772496 + 19847025 = 5364^2 + 4455^2 .

It is not a de Polignac number, because 48619521 - 2³ = 48619513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48619511) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 300040 + ... + 300201.

It is a Proth number, since it is equal to 5935 ⋅ 2¹³ + 1 and 5935 < 2¹³.

Almost surely, 2^48619521 is an apocalyptic number.

It is an amenable number.

48619521 is a deficient number, since it is larger than the sum of its proper divisors (24009761).

48619521 is an equidigital number, since it uses as much as digits as its factorization.

48619521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600253 (or 600244 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 48619521 is about 6972.7699660895. The cubic root of 48619521 is about 364.9809735500.

The spelling of 48619521 in words is "forty-eight million, six hundred nineteen thousand, five hundred twenty-one".