55049501 has 16 divisors (see below), whose sum is σ = 60559296. Its totient is φ = 49735296.

The previous prime is 55049497. The next prime is 55049507. The reversal of 55049501 is 10594055.

It is not a de Polignac number, because 55049501 - 2² = 55049497 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 (55049507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175721 + ... + 176033.

It is an arithmetic number, because the mean of its divisors is an integer number (3784956).

Almost surely, 2^55049501 is an apocalyptic number.

It is an amenable number.

55049501 is a deficient number, since it is larger than the sum of its proper divisors (5509795).

55049501 is a wasteful number, since it uses less digits than its factorization.

55049501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55049501 is about 7419.5350932521. The cubic root of 55049501 is about 380.4093027439.

The spelling of 55049501 in words is "fifty-five million, forty-nine thousand, five hundred one".