49009477 has 6 divisors (see below), whose sum is σ = 53870054. Its totient is φ = 44553960.

The previous prime is 49009469. The next prime is 49009489. The reversal of 49009477 is 77490094.

It can be written as a sum of positive squares in only one way, i.e., 38763076 + 10246401 = 6226^2 + 3201^2 .

It is not a de Polignac number, because 49009477 - 2³ = 49009469 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 (49009447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202398 + ... + 202639.

Almost surely, 2^49009477 is an apocalyptic number.

It is an amenable number.

49009477 is a deficient number, since it is larger than the sum of its proper divisors (4860577).

49009477 is a wasteful number, since it uses less digits than its factorization.

49009477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405059 (or 405048 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 49009477 is about 7000.6768958437. The cubic root of 49009477 is about 365.9541608014.

The spelling of 49009477 in words is "forty-nine million, nine thousand, four hundred seventy-seven".