49179519 has 12 divisors (see below), whose sum is σ = 71101992. Its totient is φ = 32756400.

The previous prime is 49179517. The next prime is 49179523. The reversal of 49179519 is 91597194.

It is not a de Polignac number, because 49179519 - 2¹ = 49179517 is a prime.

It is a super-2 number, since 2×49179519² = 4837250178142722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49179511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12904 + ... + 16274.

It is an arithmetic number, because the mean of its divisors is an integer number (5925166).

Almost surely, 2^49179519 is an apocalyptic number.

49179519 is a deficient number, since it is larger than the sum of its proper divisors (21922473).

49179519 is a wasteful number, since it uses less digits than its factorization.

49179519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998 (or 4995 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 49179519 is about 7012.8110626196. The cubic root of 49179519 is about 366.3769072571.

The spelling of 49179519 in words is "forty-nine million, one hundred seventy-nine thousand, five hundred nineteen".