49762921 has 8 divisors (see below), whose sum is σ = 53983944. Its totient is φ = 45598080.

The previous prime is 49762913. The next prime is 49762939. The reversal of 49762921 is 12926794.

It can be written as a sum of positive squares in 4 ways, for example, as 2689600 + 47073321 = 1640^2 + 6861^2 .

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 49762921 - 2³ = 49762913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49762981) 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, 12190 + ... + 15751.

It is an arithmetic number, because the mean of its divisors is an integer number (6747993).

Almost surely, 2^49762921 is an apocalyptic number.

It is an amenable number.

49762921 is a deficient number, since it is larger than the sum of its proper divisors (4221023).

49762921 is a wasteful number, since it uses less digits than its factorization.

49762921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28091.

The product of its digits is 54432, while the sum is 40.

The square root of 49762921 is about 7054.2838757736. The cubic root of 49762921 is about 367.8199561348.

The spelling of 49762921 in words is "forty-nine million, seven hundred sixty-two thousand, nine hundred twenty-one".