48513993 has 16 divisors (see below), whose sum is σ = 72474816. Its totient is φ = 28607040.

The previous prime is 48513991. The next prime is 48514007. The reversal of 48513993 is 39931584.

It is not a de Polignac number, because 48513993 - 2¹ = 48513991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48513991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18646 + ... + 21087.

It is an arithmetic number, because the mean of its divisors is an integer number (4529676).

Almost surely, 2^48513993 is an apocalyptic number.

It is an amenable number.

48513993 is a deficient number, since it is larger than the sum of its proper divisors (23960823).

48513993 is a wasteful number, since it uses less digits than its factorization.

48513993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39784.

The product of its digits is 116640, while the sum is 42.

The square root of 48513993 is about 6965.1987049904. The cubic root of 48513993 is about 364.7167202146.

The spelling of 48513993 in words is "forty-eight million, five hundred thirteen thousand, nine hundred ninety-three".