49154939 has 8 divisors (see below), whose sum is σ = 52135488. Its totient is φ = 46184320.

The previous prime is 49154929. The next prime is 49154953. The reversal of 49154939 is 93945194.

It is a happy number.

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 49154939 - 2⁴ = 49154923 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 49154939.

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 7 ways as a sum of consecutive naturals, for example, 9374 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (6516936).

Almost surely, 2^49154939 is an apocalyptic number.

49154939 is a deficient number, since it is larger than the sum of its proper divisors (2980549).

49154939 is a wasteful number, since it uses less digits than its factorization.

49154939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4965.

The product of its digits is 174960, while the sum is 44.

The square root of 49154939 is about 7011.0583366565. The cubic root of 49154939 is about 366.3158585027.

The spelling of 49154939 in words is "forty-nine million, one hundred fifty-four thousand, nine hundred thirty-nine".