49154919 has 24 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 28218960.

The previous prime is 49154909. The next prime is 49154921. The reversal of 49154919 is 91945194.

It is a happy number.

It is not a de Polignac number, because 49154919 - 2⁹ = 49154407 is a prime.

It is a super-2 number, since 2×49154919² = 4832412123793122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49154909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3334 + ... + 10460.

It is an arithmetic number, because the mean of its divisors is an integer number (3160080).

Almost surely, 2^49154919 is an apocalyptic number.

49154919 is a deficient number, since it is larger than the sum of its proper divisors (26687001).

49154919 is a wasteful number, since it uses less digits than its factorization.

49154919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171 (or 7160 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 49154919 is about 7011.0569103381. The cubic root of 49154919 is about 366.3158088209.

The spelling of 49154919 in words is "forty-nine million, one hundred fifty-four thousand, nine hundred nineteen".