49154547 has 16 divisors (see below), whose sum is σ = 72224768. Its totient is φ = 29544480.

The previous prime is 49154543. The next prime is 49154549. The reversal of 49154547 is 74545194.

It is not a de Polignac number, because 49154547 - 2² = 49154543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49154543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12979 + ... + 16332.

It is an arithmetic number, because the mean of its divisors is an integer number (4514048).

Almost surely, 2^49154547 is an apocalyptic number.

49154547 is a deficient number, since it is larger than the sum of its proper divisors (23070221).

49154547 is a wasteful number, since it uses less digits than its factorization.

49154547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370.

The product of its digits is 100800, while the sum is 39.

The square root of 49154547 is about 7011.0303807643. The cubic root of 49154547 is about 366.3148847369.

The spelling of 49154547 in words is "forty-nine million, one hundred fifty-four thousand, five hundred forty-seven".