48517731 has 8 divisors (see below), whose sum is σ = 71878160. Its totient is φ = 32345136.

The previous prime is 48517723. The next prime is 48517739. The reversal of 48517731 is 13771584.

48517731 is a `hidden beast` number, since 485 + 177 + 3 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (48517723) and next prime (48517739).

It is not a de Polignac number, because 48517731 - 2³ = 48517723 is a prime.

It is a super-2 number, since 2×48517731² = 4707940442776722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48517739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898450 + ... + 898503.

It is an arithmetic number, because the mean of its divisors is an integer number (8984770).

Almost surely, 2^48517731 is an apocalyptic number.

48517731 is a deficient number, since it is larger than the sum of its proper divisors (23360429).

48517731 is a wasteful number, since it uses less digits than its factorization.

48517731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796962 (or 1796956 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 48517731 is about 6965.4670338750. The cubic root of 48517731 is about 364.7260871073.

The spelling of 48517731 in words is "forty-eight million, five hundred seventeen thousand, seven hundred thirty-one".