49691553 has 8 divisors (see below), whose sum is σ = 67094400. Its totient is φ = 32708208.

The previous prime is 49691507. The next prime is 49691557. The reversal of 49691553 is 35519694.

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

It is not a de Polignac number, because 49691553 - 2⁶ = 49691489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49691557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104598 + ... + 105071.

It is an arithmetic number, because the mean of its divisors is an integer number (8386800).

Almost surely, 2^49691553 is an apocalyptic number.

It is an amenable number.

49691553 is a deficient number, since it is larger than the sum of its proper divisors (17402847).

49691553 is a wasteful number, since it uses less digits than its factorization.

49691553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209751.

The product of its digits is 145800, while the sum is 42.

The square root of 49691553 is about 7049.2235742669. The cubic root of 49691553 is about 367.6440344292.

The spelling of 49691553 in words is "forty-nine million, six hundred ninety-one thousand, five hundred fifty-three".