55061005 has 8 divisors (see below), whose sum is σ = 66245400. Its totient is φ = 43934016.

The previous prime is 55060987. The next prime is 55061009. The reversal of 55061005 is 50016055.

It can be written as a sum of positive squares in 4 ways, for example, as 1170724 + 53890281 = 1082^2 + 7341^2 .

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 55061005 - 2⁷ = 55060877 is a prime.

It is a super-2 number, since 2×55061005² = 6063428543220050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55061009) 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, 12210 + ... + 16099.

It is an arithmetic number, because the mean of its divisors is an integer number (8280675).

Almost surely, 2^55061005 is an apocalyptic number.

It is an amenable number.

55061005 is a deficient number, since it is larger than the sum of its proper divisors (11184395).

55061005 is a wasteful number, since it uses less digits than its factorization.

55061005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28703.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55061005 is about 7420.3103034846. The cubic root of 55061005 is about 380.4357996466.

The spelling of 55061005 in words is "fifty-five million, sixty-one thousand, five".