55361445 has 8 divisors (see below), whose sum is σ = 88578336. Its totient is φ = 29526096.

The previous prime is 55361417. The next prime is 55361477. The reversal of 55361445 is 54416355.

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

It is not a de Polignac number, because 55361445 - 2⁵ = 55361413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845367 + ... + 1845396.

It is an arithmetic number, because the mean of its divisors is an integer number (11072292).

Almost surely, 2^55361445 is an apocalyptic number.

It is an amenable number.

55361445 is a deficient number, since it is larger than the sum of its proper divisors (33216891).

55361445 is a wasteful number, since it uses less digits than its factorization.

55361445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690771.

The product of its digits is 36000, while the sum is 33.

The square root of 55361445 is about 7440.5271990632. The cubic root of 55361445 is about 381.1264933633.

The spelling of 55361445 in words is "fifty-five million, three hundred sixty-one thousand, four hundred forty-five".