49977801 has 12 divisors (see below), whose sum is σ = 72503028. Its totient is φ = 33174144.

The previous prime is 49977793. The next prime is 49977803. The reversal of 49977801 is 10877994.

It can be written as a sum of positive squares in 2 ways, for example, as 27878400 + 22099401 = 5280^2 + 4701^2 .

It is not a de Polignac number, because 49977801 - 2³ = 49977793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49977803) 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, 9820 + ... + 14013.

It is an arithmetic number, because the mean of its divisors is an integer number (6041919).

Almost surely, 2^49977801 is an apocalyptic number.

It is an amenable number.

49977801 is a deficient number, since it is larger than the sum of its proper divisors (22525227).

49977801 is a wasteful number, since it uses less digits than its factorization.

49977801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24072 (or 24069 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 49977801 is about 7069.4979312537. The cubic root of 49977801 is about 368.3486205831.

The spelling of 49977801 in words is "forty-nine million, nine hundred seventy-seven thousand, eight hundred one".