55170461 has 4 divisors (see below), whose sum is σ = 56516124. Its totient is φ = 53824800.

The previous prime is 55170449. The next prime is 55170463. The reversal of 55170461 is 16407155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16407155 = 5 ⋅3281431.

It can be written as a sum of positive squares in 2 ways, for example, as 24810361 + 30360100 = 4981^2 + 5510^2 .

It is not a de Polignac number, because 55170461 - 2⁶ = 55170397 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 (55170463) 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, 672770 + ... + 672851.

It is an arithmetic number, because the mean of its divisors is an integer number (14129031).

Almost surely, 2^55170461 is an apocalyptic number.

It is an amenable number.

55170461 is a deficient number, since it is larger than the sum of its proper divisors (1345663).

55170461 is a wasteful number, since it uses less digits than its factorization.

55170461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345662.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 55170461 is about 7427.6820745102. The cubic root of 55170461 is about 380.6877227548.

The spelling of 55170461 in words is "fifty-five million, one hundred seventy thousand, four hundred sixty-one".