49242151 has 4 divisors (see below), whose sum is σ = 56276752. Its totient is φ = 42207552.

The previous prime is 49242143. The next prime is 49242163. The reversal of 49242151 is 15124294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49242151 - 2³ = 49242143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49242101) 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, 3517290 + ... + 3517303.

It is an arithmetic number, because the mean of its divisors is an integer number (14069188).

Almost surely, 2^49242151 is an apocalyptic number.

49242151 is a deficient number, since it is larger than the sum of its proper divisors (7034601).

49242151 is an equidigital number, since it uses as much as digits as its factorization.

49242151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034600.

The product of its digits is 2880, while the sum is 28.

The square root of 49242151 is about 7017.2751834312. The cubic root of 49242151 is about 366.5323729506.

The spelling of 49242151 in words is "forty-nine million, two hundred forty-two thousand, one hundred fifty-one".