55567838 has 4 divisors (see below), whose sum is σ = 83351760. Its totient is φ = 27783918.

The previous prime is 55567823. The next prime is 55567867. The reversal of 55567838 is 83876555.

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

It is a junction number, because it is equal to n+sod(n) for n = 55567792 and 55567801.

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, 13891958 + ... + 13891961.

It is an arithmetic number, because the mean of its divisors is an integer number (20837940).

Almost surely, 2^55567838 is an apocalyptic number.

55567838 is a deficient number, since it is larger than the sum of its proper divisors (27783922).

55567838 is a wasteful number, since it uses less digits than its factorization.

55567838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27783921.

The product of its digits is 1008000, while the sum is 47.

The square root of 55567838 is about 7454.3838108860. The cubic root of 55567838 is about 381.5995318906.

The spelling of 55567838 in words is "fifty-five million, five hundred sixty-seven thousand, eight hundred thirty-eight".