55241405 has 16 divisors (see below), whose sum is σ = 67824000. Its totient is φ = 43179840.

The previous prime is 55241399. The next prime is 55241413. The reversal of 55241405 is 50414255.

It is not a de Polignac number, because 55241405 - 2²⁰ = 54192829 is a prime.

It is a super-2 number, since 2×55241405² = 6103225652748050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58235 + ... + 59175.

It is an arithmetic number, because the mean of its divisors is an integer number (4239000).

Almost surely, 2^55241405 is an apocalyptic number.

It is an amenable number.

55241405 is a deficient number, since it is larger than the sum of its proper divisors (12582595).

55241405 is a wasteful number, since it uses less digits than its factorization.

55241405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 55241405 is about 7432.4561889055. The cubic root of 55241405 is about 380.8508290089.

The spelling of 55241405 in words is "fifty-five million, two hundred forty-one thousand, four hundred five".