49896945 has 96 divisors (see below), whose sum is σ = 108892800. Its totient is φ = 21555072.

The previous prime is 49896943. The next prime is 49896947. The reversal of 49896945 is 54969894.

It is an interprime number because it is at equal distance from previous prime (49896943) and next prime (49896947).

It is not a de Polignac number, because 49896945 - 2¹ = 49896943 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 49896891 and 49896900.

It is not an unprimeable number, because it can be changed into a prime (49896941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 125487 + ... + 125883.

It is an arithmetic number, because the mean of its divisors is an integer number (1134300).

Almost surely, 2^49896945 is an apocalyptic number.

49896945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49896945 is an abundant number, since it is smaller than the sum of its proper divisors (58995855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49896945 is a wasteful number, since it uses less digits than its factorization.

49896945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 431 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 49896945 is about 7063.7769642026. The cubic root of 49896945 is about 368.1498705288.

The spelling of 49896945 in words is "forty-nine million, eight hundred ninety-six thousand, nine hundred forty-five".