49988623 has 2 divisors, whose sum is σ = 49988624. Its totient is φ = 49988622.

The previous prime is 49988621. The next prime is 49988641. The reversal of 49988623 is 32688994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49988623 - 2¹ = 49988621 is a prime.

It is a super-2 number, since 2×49988623² = 4997724858872258, which contains 22 as substring.

Together with 49988621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49988621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24994311 + 24994312.

It is an arithmetic number, because the mean of its divisors is an integer number (24994312).

Almost surely, 2^49988623 is an apocalyptic number.

49988623 is a deficient number, since it is larger than the sum of its proper divisors (1).

49988623 is an equidigital number, since it uses as much as digits as its factorization.

49988623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 49988623 is about 7070.2632907127. The cubic root of 49988623 is about 368.3752055935.

The spelling of 49988623 in words is "forty-nine million, nine hundred eighty-eight thousand, six hundred twenty-three".