48690591 has 4 divisors (see below), whose sum is σ = 64920792. Its totient is φ = 32460392.

The previous prime is 48690589. The next prime is 48690611. The reversal of 48690591 is 19509684.

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 48690591 - 2¹ = 48690589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48690511) 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, 8115096 + ... + 8115101.

It is an arithmetic number, because the mean of its divisors is an integer number (16230198).

Almost surely, 2^48690591 is an apocalyptic number.

48690591 is a deficient number, since it is larger than the sum of its proper divisors (16230201).

48690591 is a wasteful number, since it uses less digits than its factorization.

48690591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230200.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 48690591 is about 6977.8643580970. The cubic root of 48690591 is about 365.1587249865.

The spelling of 48690591 in words is "forty-eight million, six hundred ninety thousand, five hundred ninety-one".