55199741 has 4 divisors (see below), whose sum is σ = 55376412. Its totient is φ = 55023072.

The previous prime is 55199717. The next prime is 55199743. The reversal of 55199741 is 14799155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6604900 + 48594841 = 2570^2 + 6971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55199741 is a prime.

It is a super-2 number, since 2×55199741² = 6094022812934162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55199743) 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, 87866 + ... + 88491.

It is an arithmetic number, because the mean of its divisors is an integer number (13844103).

Almost surely, 2^55199741 is an apocalyptic number.

It is an amenable number.

55199741 is a deficient number, since it is larger than the sum of its proper divisors (176671).

55199741 is a wasteful number, since it uses less digits than its factorization.

55199741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176670.

The product of its digits is 56700, while the sum is 41.

The square root of 55199741 is about 7429.6528182682. The cubic root of 55199741 is about 380.7550568862.

The spelling of 55199741 in words is "fifty-five million, one hundred ninety-nine thousand, seven hundred forty-one".