49279451 has 8 divisors (see below), whose sum is σ = 53126640. Its totient is φ = 45440352.

The previous prime is 49279441. The next prime is 49279459. The reversal of 49279451 is 15497294.

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

It is a cyclic number.

It is not a de Polignac number, because 49279451 - 2⁶ = 49279387 is a prime.

It is a super-2 number, since 2×49279451² = 4856928581722802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49279399 and 49279408.

It is not an unprimeable number, because it can be changed into a prime (49279459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18140 + ... + 20678.

It is an arithmetic number, because the mean of its divisors is an integer number (6640830).

Almost surely, 2^49279451 is an apocalyptic number.

49279451 is a deficient number, since it is larger than the sum of its proper divisors (3847189).

49279451 is a wasteful number, since it uses less digits than its factorization.

49279451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its digits is 90720, while the sum is 41.

The square root of 49279451 is about 7019.9324070820. The cubic root of 49279451 is about 366.6248967111.

The spelling of 49279451 in words is "forty-nine million, two hundred seventy-nine thousand, four hundred fifty-one".