55170004 has 6 divisors (see below), whose sum is σ = 96547514. Its totient is φ = 27585000.

The previous prime is 55169999. The next prime is 55170013. The reversal of 55170004 is 40007155.

It can be written as a sum of positive squares in only one way, i.e., 51552400 + 3617604 = 7180^2 + 1902^2 .

It is a super-5 number, since 5×55170004⁵ (a number of 40 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6896247 + ... + 6896254.

Almost surely, 2^55170004 is an apocalyptic number.

It is an amenable number.

55170004 is a deficient number, since it is larger than the sum of its proper divisors (41377510).

55170004 is a wasteful number, since it uses less digits than its factorization.

55170004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13792505 (or 13792503 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 55170004 is about 7427.6513111481. The cubic root of 55170004 is about 380.6866716200.

Adding to 55170004 its reverse (40007155), we get a palindrome (95177159).

The spelling of 55170004 in words is "fifty-five million, one hundred seventy thousand, four".