49764579 has 8 divisors (see below), whose sum is σ = 68493312. Its totient is φ = 32106120.

The previous prime is 49764563. The next prime is 49764581. The reversal of 49764579 is 97546794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49764579 - 2⁴ = 49764563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49764599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267459 + ... + 267644.

It is an arithmetic number, because the mean of its divisors is an integer number (8561664).

Almost surely, 2^49764579 is an apocalyptic number.

49764579 is a deficient number, since it is larger than the sum of its proper divisors (18728733).

49764579 is a wasteful number, since it uses less digits than its factorization.

49764579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535137.

The product of its digits is 1905120, while the sum is 51.

The square root of 49764579 is about 7054.4013920389. The cubic root of 49764579 is about 367.8240410954.

The spelling of 49764579 in words is "forty-nine million, seven hundred sixty-four thousand, five hundred seventy-nine".