49996451 has 4 divisors (see below), whose sum is σ = 50016912. Its totient is φ = 49975992.

The previous prime is 49996421. The next prime is 49996469. The reversal of 49996451 is 15469994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15469994 = 2 ⋅7734997.

It is a cyclic number.

It is not a de Polignac number, because 49996451 - 2¹⁴ = 49980067 is a prime.

It is a super-2 number, since 2×49996451² = 4999290225190802, 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 = 49996396 and 49996405.

It is not an unprimeable number, because it can be changed into a prime (49996421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975 + ... + 11648.

It is an arithmetic number, because the mean of its divisors is an integer number (12504228).

Almost surely, 2^49996451 is an apocalyptic number.

49996451 is a deficient number, since it is larger than the sum of its proper divisors (20461).

49996451 is a wasteful number, since it uses less digits than its factorization.

49996451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20460.

The product of its digits is 349920, while the sum is 47.

The square root of 49996451 is about 7070.8168552155. The cubic root of 49996451 is about 368.3944332393.

The spelling of 49996451 in words is "forty-nine million, nine hundred ninety-six thousand, four hundred fifty-one".