48990131 has 4 divisors (see below), whose sum is σ = 49144992. Its totient is φ = 48835272.

The previous prime is 48990127. The next prime is 48990143. The reversal of 48990131 is 13109984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48990131 - 2² = 48990127 is a prime.

It is a super-2 number, since 2×48990131² = 4800065870794322, 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 = 48990091 and 48990100.

It is not an unprimeable number, because it can be changed into a prime (48990101) 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, 76955 + ... + 77588.

It is an arithmetic number, because the mean of its divisors is an integer number (12286248).

Almost surely, 2^48990131 is an apocalyptic number.

48990131 is a deficient number, since it is larger than the sum of its proper divisors (154861).

48990131 is a wasteful number, since it uses less digits than its factorization.

48990131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154860.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 48990131 is about 6999.2950359304. The cubic root of 48990131 is about 365.9060022180.

The spelling of 48990131 in words is "forty-eight million, nine hundred ninety thousand, one hundred thirty-one".