49153147 has 2 divisors, whose sum is σ = 49153148. Its totient is φ = 49153146.

The previous prime is 49153127. The next prime is 49153157. The reversal of 49153147 is 74135194.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49153147 is a prime.

It is not a weakly prime, because it can be changed into another prime (49153127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24576573 + 24576574.

It is an arithmetic number, because the mean of its divisors is an integer number (24576574).

Almost surely, 2^49153147 is an apocalyptic number.

49153147 is the 3748-th centered heptagonal number.

49153147 is a deficient number, since it is larger than the sum of its proper divisors (1).

49153147 is an equidigital number, since it uses as much as digits as its factorization.

49153147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 49153147 is about 7010.9305373823. The cubic root of 49153147 is about 366.3114069596.

The spelling of 49153147 in words is "forty-nine million, one hundred fifty-three thousand, one hundred forty-seven".