48720491 has 4 divisors (see below), whose sum is σ = 48740472. Its totient is φ = 48700512.

The previous prime is 48720461. The next prime is 48720523. The reversal of 48720491 is 19402784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48720491 - 2¹⁴ = 48704107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48720401) 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, 5726 + ... + 11411.

It is an arithmetic number, because the mean of its divisors is an integer number (12185118).

Almost surely, 2^48720491 is an apocalyptic number.

48720491 is a deficient number, since it is larger than the sum of its proper divisors (19981).

48720491 is a wasteful number, since it uses less digits than its factorization.

48720491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 48720491 is about 6980.0065186216. The cubic root of 48720491 is about 365.2334554530.

The spelling of 48720491 in words is "forty-eight million, seven hundred twenty thousand, four hundred ninety-one".