55673783 has 4 divisors (see below), whose sum is σ = 60735048. Its totient is φ = 50612520.

The previous prime is 55673771. The next prime is 55673801. The reversal of 55673783 is 38737655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55673783 - 2⁴ = 55673767 is a prime.

It is a super-2 number, since 2×55673783² = 6199140227062178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55673713) 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, 2530616 + ... + 2530637.

It is an arithmetic number, because the mean of its divisors is an integer number (15183762).

Almost surely, 2^55673783 is an apocalyptic number.

55673783 is a deficient number, since it is larger than the sum of its proper divisors (5061265).

55673783 is a wasteful number, since it uses less digits than its factorization.

55673783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061264.

The product of its digits is 529200, while the sum is 44.

The square root of 55673783 is about 7461.4866481151. The cubic root of 55673783 is about 381.8418956841.

The spelling of 55673783 in words is "fifty-five million, six hundred seventy-three thousand, seven hundred eighty-three".