48279137 has 4 divisors (see below), whose sum is σ = 48706500. Its totient is φ = 47851776.

The previous prime is 48279109. The next prime is 48279157. The reversal of 48279137 is 73197284.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12327121 + 35952016 = 3511^2 + 5996^2 .

It is a cyclic number.

It is not a de Polignac number, because 48279137 - 2⁶ = 48279073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48279094 and 48279103.

It is not an unprimeable number, because it can be changed into a prime (48279107) 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, 213512 + ... + 213737.

It is an arithmetic number, because the mean of its divisors is an integer number (12176625).

Almost surely, 2^48279137 is an apocalyptic number.

It is an amenable number.

48279137 is a deficient number, since it is larger than the sum of its proper divisors (427363).

48279137 is a wasteful number, since it uses less digits than its factorization.

48279137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427362.

The product of its digits is 84672, while the sum is 41.

The square root of 48279137 is about 6948.3190053422. The cubic root of 48279137 is about 364.1272373485.

The spelling of 48279137 in words is "forty-eight million, two hundred seventy-nine thousand, one hundred thirty-seven".