49420155 has 8 divisors (see below), whose sum is σ = 79072272. Its totient is φ = 26357408.

The previous prime is 49420153. The next prime is 49420177. The reversal of 49420155 is 55102494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49420155 - 2¹ = 49420153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49420153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1647324 + ... + 1647353.

It is an arithmetic number, because the mean of its divisors is an integer number (9884034).

Almost surely, 2^49420155 is an apocalyptic number.

49420155 is a deficient number, since it is larger than the sum of its proper divisors (29652117).

49420155 is a wasteful number, since it uses less digits than its factorization.

49420155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294685.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 49420155 is about 7029.9470126026. The cubic root of 49420155 is about 366.9734975306.

The spelling of 49420155 in words is "forty-nine million, four hundred twenty thousand, one hundred fifty-five".