48851621 has 16 divisors (see below), whose sum is σ = 60979968. Its totient is φ = 38102400.

The previous prime is 48851617. The next prime is 48851651. The reversal of 48851621 is 12615884.

It is not a de Polignac number, because 48851621 - 2² = 48851617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48851611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681 + ... + 10241.

It is an arithmetic number, because the mean of its divisors is an integer number (3811248).

Almost surely, 2^48851621 is an apocalyptic number.

It is an amenable number.

48851621 is a deficient number, since it is larger than the sum of its proper divisors (12128347).

48851621 is a wasteful number, since it uses less digits than its factorization.

48851621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652.

The product of its digits is 15360, while the sum is 35.

The square root of 48851621 is about 6989.3934643859. The cubic root of 48851621 is about 365.5608341972.

The spelling of 48851621 in words is "forty-eight million, eight hundred fifty-one thousand, six hundred twenty-one".