48921131 has 16 divisors (see below), whose sum is σ = 58134528. Its totient is φ = 40284000.

The previous prime is 48921109. The next prime is 48921133. The reversal of 48921131 is 13112984.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48921131 is a prime.

It is a super-2 number, since 2×48921131² = 4786554116638322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48921094 and 48921103.

It is not an unprimeable number, because it can be changed into a prime (48921133) 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, 32021 + ... + 33513.

It is an arithmetic number, because the mean of its divisors is an integer number (3633408).

Almost surely, 2^48921131 is an apocalyptic number.

48921131 is a deficient number, since it is larger than the sum of its proper divisors (9213397).

48921131 is a wasteful number, since it uses less digits than its factorization.

48921131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682.

The product of its digits is 1728, while the sum is 29.

The square root of 48921131 is about 6994.3642312936. The cubic root of 48921131 is about 365.7341351081.

The spelling of 48921131 in words is "forty-eight million, nine hundred twenty-one thousand, one hundred thirty-one".