49991007 has 8 divisors (see below), whose sum is σ = 72714240. Its totient is φ = 30297560.

The previous prime is 49990981. The next prime is 49991017. The reversal of 49991007 is 70019994.

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 49991007 - 2⁶ = 49990943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49991017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757407 + ... + 757472.

It is an arithmetic number, because the mean of its divisors is an integer number (9089280).

Almost surely, 2^49991007 is an apocalyptic number.

49991007 is a deficient number, since it is larger than the sum of its proper divisors (22723233).

49991007 is a wasteful number, since it uses less digits than its factorization.

49991007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514893.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 49991007 is about 7070.4318821413. The cubic root of 49991007 is about 368.3810615429.

It can be divided in two parts, 4999 and 1007, that added together give a palindrome (6006).

The spelling of 49991007 in words is "forty-nine million, nine hundred ninety-one thousand, seven".