48539691 has 24 divisors (see below), whose sum is σ = 71954064. Its totient is φ = 31521600.

The previous prime is 48539657. The next prime is 48539731. The reversal of 48539691 is 19693584.

It is a happy number.

It is not a de Polignac number, because 48539691 - 2⁶ = 48539627 is a prime.

It is a super-3 number, since 3×48539691³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (48539611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60505 + ... + 61301.

It is an arithmetic number, because the mean of its divisors is an integer number (2998086).

Almost surely, 2^48539691 is an apocalyptic number.

48539691 is a deficient number, since it is larger than the sum of its proper divisors (23414373).

48539691 is a wasteful number, since it uses less digits than its factorization.

48539691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 968 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 48539691 is about 6967.0432035405. The cubic root of 48539691 is about 364.7811060087.

The spelling of 48539691 in words is "forty-eight million, five hundred thirty-nine thousand, six hundred ninety-one".