49999655 has 4 divisors (see below), whose sum is σ = 59999592. Its totient is φ = 39999720.

The previous prime is 49999643. The next prime is 49999667. The reversal of 49999655 is 55699994.

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

It is an interprime number because it is at equal distance from previous prime (49999643) and next prime (49999667).

It is not a de Polignac number, because 49999655 - 2⁴ = 49999639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49999655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4999961 + ... + 4999970.

It is an arithmetic number, because the mean of its divisors is an integer number (14999898).

Almost surely, 2^49999655 is an apocalyptic number.

49999655 is a deficient number, since it is larger than the sum of its proper divisors (9999937).

49999655 is an equidigital number, since it uses as much as digits as its factorization.

49999655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999936.

The product of its digits is 3936600, while the sum is 56.

The square root of 49999655 is about 7071.0434166394. The cubic root of 49999655 is about 368.4023025348.

The spelling of 49999655 in words is "forty-nine million, nine hundred ninety-nine thousand, six hundred fifty-five".