49951405 has 16 divisors (see below), whose sum is σ = 68624640. Its totient is φ = 34192512.

The previous prime is 49951393. The next prime is 49951439. The reversal of 49951405 is 50415994.

It is a cyclic number.

It is not a de Polignac number, because 49951405 - 2⁵ = 49951373 is a prime.

It is a super-2 number, since 2×49951405² = 4990285722948050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30241 + ... + 31849.

It is an arithmetic number, because the mean of its divisors is an integer number (4289040).

Almost surely, 2^49951405 is an apocalyptic number.

It is an amenable number.

49951405 is a deficient number, since it is larger than the sum of its proper divisors (18673235).

49951405 is a wasteful number, since it uses less digits than its factorization.

49951405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 49951405 is about 7067.6307911492. The cubic root of 49951405 is about 368.2837608372.

It can be divided in two parts, 4995 and 1405, that added together give a square (6400 = 80²).

The spelling of 49951405 in words is "forty-nine million, nine hundred fifty-one thousand, four hundred five".