48537640 has 32 divisors (see below), whose sum is σ = 109836000. Its totient is φ = 19303744.

The previous prime is 48537637. The next prime is 48537667. The reversal of 48537640 is 4673584.

48537640 is nontrivially palindromic in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 48537640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3771 + ... + 10549.

It is an arithmetic number, because the mean of its divisors is an integer number (3432375).

Almost surely, 2^48537640 is an apocalyptic number.

48537640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48537640 is an abundant number, since it is smaller than the sum of its proper divisors (61298360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48537640 is a wasteful number, since it uses less digits than its factorization.

48537640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6965 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 48537640 is about 6966.8960089842. The cubic root of 48537640 is about 364.7759681063.

The spelling of 48537640 in words is "forty-eight million, five hundred thirty-seven thousand, six hundred forty".