49290551 has 4 divisors (see below), whose sum is σ = 49585872. Its totient is φ = 48995232.

The previous prime is 49290539. The next prime is 49290557. The reversal of 49290551 is 15509294.

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 49290551 - 2¹⁴ = 49274167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49290557) 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, 147410 + ... + 147743.

It is an arithmetic number, because the mean of its divisors is an integer number (12396468).

Almost surely, 2^49290551 is an apocalyptic number.

49290551 is a deficient number, since it is larger than the sum of its proper divisors (295321).

49290551 is a wasteful number, since it uses less digits than its factorization.

49290551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295320.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 49290551 is about 7020.7229684698. The cubic root of 49290551 is about 366.6524215770.

The spelling of 49290551 in words is "forty-nine million, two hundred ninety thousand, five hundred fifty-one".