49278351 has 16 divisors (see below), whose sum is σ = 70237440. Its totient is φ = 30655680.

The previous prime is 49278349. The next prime is 49278353. The reversal of 49278351 is 15387294.

It is an interprime number because it is at equal distance from previous prime (49278349) and next prime (49278353).

It is not a de Polignac number, because 49278351 - 2¹ = 49278349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49278353) 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 15 ways as a sum of consecutive naturals, for example, 5881 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (4389840).

Almost surely, 2^49278351 is an apocalyptic number.

49278351 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

49278351 is a deficient number, since it is larger than the sum of its proper divisors (20959089).

49278351 is a wasteful number, since it uses less digits than its factorization.

49278351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17486.

The product of its digits is 60480, while the sum is 39.

The square root of 49278351 is about 7019.8540583120. The cubic root of 49278351 is about 366.6221687966.

The spelling of 49278351 in words is "forty-nine million, two hundred seventy-eight thousand, three hundred fifty-one".