49743551 has 16 divisors (see below), whose sum is σ = 59004288. Its totient is φ = 41340000.

The previous prime is 49743527. The next prime is 49743553. The reversal of 49743551 is 15534794.

It is a de Polignac number, because none of the positive numbers 2^k-49743551 is a prime.

It is a super-4 number, since 4×49743551⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49743553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13676 + ... + 16926.

It is an arithmetic number, because the mean of its divisors is an integer number (3687768).

Almost surely, 2^49743551 is an apocalyptic number.

49743551 is a deficient number, since it is larger than the sum of its proper divisors (9260737).

49743551 is a wasteful number, since it uses less digits than its factorization.

49743551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382.

The product of its digits is 75600, while the sum is 38.

The square root of 49743551 is about 7052.9108175278. The cubic root of 49743551 is about 367.7722258367.

The spelling of 49743551 in words is "forty-nine million, seven hundred forty-three thousand, five hundred fifty-one".