49021977 has 16 divisors (see below), whose sum is σ = 67818240. Its totient is φ = 31460352.

The previous prime is 49021969. The next prime is 49021981. The reversal of 49021977 is 77912094.

It is not a de Polignac number, because 49021977 - 2³ = 49021969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49021967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39673 + ... + 40889.

It is an arithmetic number, because the mean of its divisors is an integer number (4238640).

Almost surely, 2^49021977 is an apocalyptic number.

It is an amenable number.

49021977 is a deficient number, since it is larger than the sum of its proper divisors (18796263).

49021977 is a wasteful number, since it uses less digits than its factorization.

49021977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 49021977 is about 7001.5696097375. The cubic root of 49021977 is about 365.9852706903.

The spelling of 49021977 in words is "forty-nine million, twenty-one thousand, nine hundred seventy-seven".