49740151 has 4 divisors (see below), whose sum is σ = 51344704. Its totient is φ = 48135600.

The previous prime is 49740149. The next prime is 49740203. The reversal of 49740151 is 15104794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15104794 = 2 ⋅7552397.

It is a cyclic number.

It is not a de Polignac number, because 49740151 - 2¹ = 49740149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1604521 = 49740151 / (4 + 9 + 7 + 4 + 0 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49740101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 802230 + ... + 802291.

It is an arithmetic number, because the mean of its divisors is an integer number (12836176).

Almost surely, 2^49740151 is an apocalyptic number.

49740151 is the 4461-st centered pentagonal number.

49740151 is a deficient number, since it is larger than the sum of its proper divisors (1604553).

49740151 is a wasteful number, since it uses less digits than its factorization.

49740151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604552.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 49740151 is about 7052.6697781762. The cubic root of 49740151 is about 367.7638464988.

The spelling of 49740151 in words is "forty-nine million, seven hundred forty thousand, one hundred fifty-one".