48669621 has 64 divisors (see below), whose sum is σ = 91822080. Its totient is φ = 22083840.

The previous prime is 48669619. The next prime is 48669637. The reversal of 48669621 is 12696684.

It is not a de Polignac number, because 48669621 - 2¹ = 48669619 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48669601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56631 + ... + 57483.

It is an arithmetic number, because the mean of its divisors is an integer number (1434720).

Almost surely, 2^48669621 is an apocalyptic number.

It is an amenable number.

48669621 is a deficient number, since it is larger than the sum of its proper divisors (43152459).

48669621 is a wasteful number, since it uses less digits than its factorization.

48669621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its digits is 124416, while the sum is 42.

The square root of 48669621 is about 6976.3615875326. The cubic root of 48669621 is about 365.1062954318.

It can be divided in two parts, 486 and 69621, that added together give a palindrome (70107).

The spelling of 48669621 in words is "forty-eight million, six hundred sixty-nine thousand, six hundred twenty-one".