55711838 has 32 divisors (see below), whose sum is σ = 108272640. Its totient is φ = 20878560.

The previous prime is 55711823. The next prime is 55711847. The reversal of 55711838 is 83811755.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4598 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (3383520).

Almost surely, 2^55711838 is an apocalyptic number.

55711838 is a deficient number, since it is larger than the sum of its proper divisors (52560802).

55711838 is a wasteful number, since it uses less digits than its factorization.

55711838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16152.

The product of its digits is 33600, while the sum is 38.

The square root of 55711838 is about 7464.0363075216. The cubic root of 55711838 is about 381.9288766830.

The spelling of 55711838 in words is "fifty-five million, seven hundred eleven thousand, eight hundred thirty-eight".