49438477 has 16 divisors (see below), whose sum is σ = 56567808. Its totient is φ = 42768880.

The previous prime is 49438471. The next prime is 49438481. The reversal of 49438477 is 77483494.

It is a de Polignac number, because none of the positive numbers 2^k-49438477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49438471) 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, 66168 + ... + 66910.

It is an arithmetic number, because the mean of its divisors is an integer number (3535488).

Almost surely, 2^49438477 is an apocalyptic number.

It is an amenable number.

49438477 is a deficient number, since it is larger than the sum of its proper divisors (7129331).

49438477 is a wasteful number, since it uses less digits than its factorization.

49438477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its digits is 677376, while the sum is 46.

The square root of 49438477 is about 7031.2500311111. The cubic root of 49438477 is about 367.0188424422.

The spelling of 49438477 in words is "forty-nine million, four hundred thirty-eight thousand, four hundred seventy-seven".