55807102 has 16 divisors (see below), whose sum is σ = 90865152. Its totient is φ = 25552800.

The previous prime is 55807093. The next prime is 55807111. The reversal of 55807102 is 20170855.

It is an interprime number because it is at equal distance from previous prime (55807093) and next prime (55807111).

It is a super-2 number, since 2×55807102² = 6228865267276808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5149 + ... + 11752.

It is an arithmetic number, because the mean of its divisors is an integer number (5679072).

Almost surely, 2^55807102 is an apocalyptic number.

55807102 is a deficient number, since it is larger than the sum of its proper divisors (35058050).

55807102 is a wasteful number, since it uses less digits than its factorization.

55807102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 55807102 is about 7470.4151156412. The cubic root of 55807102 is about 382.1464447696.

Adding to 55807102 its reverse (20170855), we get a palindrome (75977957).

The spelling of 55807102 in words is "fifty-five million, eight hundred seven thousand, one hundred two".