49915555 has 8 divisors (see below), whose sum is σ = 60009552. Its totient is φ = 39858528.

The previous prime is 49915529. The next prime is 49915571. The reversal of 49915555 is 55551994.

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

It is a cyclic number.

It is not a de Polignac number, because 49915555 - 2¹⁵ = 49882787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6177 + ... + 11746.

It is an arithmetic number, because the mean of its divisors is an integer number (7501194).

Almost surely, 2^49915555 is an apocalyptic number.

49915555 is a deficient number, since it is larger than the sum of its proper divisors (10093997).

49915555 is a wasteful number, since it uses less digits than its factorization.

49915555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18485.

The product of its digits is 202500, while the sum is 43.

The square root of 49915555 is about 7065.0941253461. The cubic root of 49915555 is about 368.1956343025.

The spelling of 49915555 in words is "forty-nine million, nine hundred fifteen thousand, five hundred fifty-five".