48521001 has 4 divisors (see below), whose sum is σ = 64694672. Its totient is φ = 32347332.

The previous prime is 48520991. The next prime is 48521017. The reversal of 48521001 is 10012584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 48521001 - 2⁶ = 48520937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48521021) 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, 8086831 + ... + 8086836.

It is an arithmetic number, because the mean of its divisors is an integer number (16173668).

Almost surely, 2^48521001 is an apocalyptic number.

It is an amenable number.

48521001 is a deficient number, since it is larger than the sum of its proper divisors (16173671).

48521001 is a wasteful number, since it uses less digits than its factorization.

48521001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16173670.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 48521001 is about 6965.7017593348. The cubic root of 48521001 is about 364.7342808644.

Adding to 48521001 its reverse (10012584), we get a palindrome (58533585).

The spelling of 48521001 in words is "forty-eight million, five hundred twenty-one thousand, one".