49477961 has 12 divisors (see below), whose sum is σ = 53993052. Its totient is φ = 45317376.

The previous prime is 49477951. The next prime is 49477963. The reversal of 49477961 is 16977494.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 17272336 + 32205625 = 4156^2 + 5675^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49477961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49477963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22085 + ... + 24221.

It is an arithmetic number, because the mean of its divisors is an integer number (4499421).

Almost surely, 2^49477961 is an apocalyptic number.

It is an amenable number.

49477961 is a deficient number, since it is larger than the sum of its proper divisors (4515091).

49477961 is a wasteful number, since it uses less digits than its factorization.

49477961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2287 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 49477961 is about 7034.0572218315. The cubic root of 49477961 is about 367.1165228774.

The spelling of 49477961 in words is "forty-nine million, four hundred seventy-seven thousand, nine hundred sixty-one".