55174057 has 4 divisors (see below), whose sum is σ = 55929940. Its totient is φ = 54418176.

The previous prime is 55174051. The next prime is 55174087. The reversal of 55174057 is 75047155.

It is a happy number.

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 33977241 + 21196816 = 5829^2 + 4604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55174057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55174051) 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, 377832 + ... + 377977.

It is an arithmetic number, because the mean of its divisors is an integer number (13982485).

Almost surely, 2^55174057 is an apocalyptic number.

It is an amenable number.

55174057 is a deficient number, since it is larger than the sum of its proper divisors (755883).

55174057 is an equidigital number, since it uses as much as digits as its factorization.

55174057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755882.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 55174057 is about 7427.9241380079. The cubic root of 55174057 is about 380.6959936259.

The spelling of 55174057 in words is "fifty-five million, one hundred seventy-four thousand, fifty-seven".