48615591 has 8 divisors (see below), whose sum is σ = 65709040. Its totient is φ = 31966272.

The previous prime is 48615577. The next prime is 48615601. The reversal of 48615591 is 19551684.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48615591 - 2⁵ = 48615559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48615551) 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, 110776 + ... + 111213.

It is an arithmetic number, because the mean of its divisors is an integer number (8213630).

Almost surely, 2^48615591 is an apocalyptic number.

48615591 is a deficient number, since it is larger than the sum of its proper divisors (17093449).

48615591 is a wasteful number, since it uses less digits than its factorization.

48615591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222065.

The product of its digits is 43200, while the sum is 39.

The square root of 48615591 is about 6972.4881498644. The cubic root of 48615591 is about 364.9711392705.

The spelling of 48615591 in words is "forty-eight million, six hundred fifteen thousand, five hundred ninety-one".