55673770 has 16 divisors (see below), whose sum is σ = 100853928. Its totient is φ = 22127040.

The previous prime is 55673767. The next prime is 55673771. The reversal of 55673770 is 7737655.

It can be written as a sum of positive squares in 4 ways, for example, as 36759969 + 18913801 = 6063^2 + 4349^2 .

It is not an unprimeable number, because it can be changed into a prime (55673771) 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, 16161 + ... + 19300.

Almost surely, 2^55673770 is an apocalyptic number.

55673770 is a deficient number, since it is larger than the sum of its proper divisors (45180158).

55673770 is a wasteful number, since it uses less digits than its factorization.

55673770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35625.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 55673770 is about 7461.4857769750. The cubic root of 55673770 is about 381.8418659637.

The spelling of 55673770 in words is "fifty-five million, six hundred seventy-three thousand, seven hundred seventy".