49312477 has 4 divisors (see below), whose sum is σ = 49330620. Its totient is φ = 49294336.

The previous prime is 49312457. The next prime is 49312481. The reversal of 49312477 is 77421394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16924996 + 32387481 = 4114^2 + 5691^2 .

It is a cyclic number.

It is not a de Polignac number, because 49312477 - 2⁷ = 49312349 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 (49312457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078 + ... + 10735.

It is an arithmetic number, because the mean of its divisors is an integer number (12332655).

Almost surely, 2^49312477 is an apocalyptic number.

It is an amenable number.

49312477 is a deficient number, since it is larger than the sum of its proper divisors (18143).

49312477 is a wasteful number, since it uses less digits than its factorization.

49312477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142.

The product of its digits is 42336, while the sum is 37.

The square root of 49312477 is about 7022.2843149505. The cubic root of 49312477 is about 366.7067797254.

The spelling of 49312477 in words is "forty-nine million, three hundred twelve thousand, four hundred seventy-seven".