49515001 has 4 divisors (see below), whose sum is σ = 49571712. Its totient is φ = 49458292.

The previous prime is 49514989. The next prime is 49515023. The reversal of 49515001 is 10051594.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49515001 - 2⁷ = 49514873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49515041) 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, 27025 + ... + 28798.

It is an arithmetic number, because the mean of its divisors is an integer number (12392928).

Almost surely, 2^49515001 is an apocalyptic number.

It is an amenable number.

49515001 is a deficient number, since it is larger than the sum of its proper divisors (56711).

49515001 is an equidigital number, since it uses as much as digits as its factorization.

49515001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56710.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 49515001 is about 7036.6896336274. The cubic root of 49515001 is about 367.2081098110.

Adding to 49515001 its reverse (10051594), we get a palindrome (59566595).

The spelling of 49515001 in words is "forty-nine million, five hundred fifteen thousand, one".