49691001 has 8 divisors (see below), whose sum is σ = 66292704. Its totient is φ = 33108320.

The previous prime is 49690999. The next prime is 49691003. The reversal of 49691001 is 10019694.

It is an interprime number because it is at equal distance from previous prime (49690999) and next prime (49691003).

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 49691001 - 2¹ = 49690999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49691001.

It is not an unprimeable number, because it can be changed into a prime (49691003) 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, 3286 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (8286588).

Almost surely, 2^49691001 is an apocalyptic number.

It is an amenable number.

49691001 is a deficient number, since it is larger than the sum of its proper divisors (16601703).

49691001 is a wasteful number, since it uses less digits than its factorization.

49691001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 49691001 is about 7049.1844209100. The cubic root of 49691001 is about 367.6426730962.

The spelling of 49691001 in words is "forty-nine million, six hundred ninety-one thousand, one".