48309481 has 4 divisors (see below), whose sum is σ = 52701264. Its totient is φ = 43917700.

The previous prime is 48309473. The next prime is 48309487. The reversal of 48309481 is 18490384.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48309481 - 2³ = 48309473 is a prime.

It is a super-2 number, since 2×48309481² = 4667611908978722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48309481.

It is not an unprimeable number, because it can be changed into a prime (48309487) 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, 2195875 + ... + 2195896.

It is an arithmetic number, because the mean of its divisors is an integer number (13175316).

Almost surely, 2^48309481 is an apocalyptic number.

It is an amenable number.

48309481 is a deficient number, since it is larger than the sum of its proper divisors (4391783).

48309481 is a wasteful number, since it uses less digits than its factorization.

48309481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391782.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 48309481 is about 6950.5022120707. The cubic root of 48309481 is about 364.2035074420.

The spelling of 48309481 in words is "forty-eight million, three hundred nine thousand, four hundred eighty-one".