55392668 has 12 divisors (see below), whose sum is σ = 100280040. Its totient is φ = 26741232.

The previous prime is 55392653. The next prime is 55392683. The reversal of 55392668 is 86629355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55392653) and next prime (55392683).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238646 + ... + 238877.

It is an arithmetic number, because the mean of its divisors is an integer number (8356670).

Almost surely, 2^55392668 is an apocalyptic number.

55392668 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55392668 is a deficient number, since it is larger than the sum of its proper divisors (44887372).

55392668 is a wasteful number, since it uses less digits than its factorization.

55392668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477556 (or 477554 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 55392668 is about 7442.6250745285. The cubic root of 55392668 is about 381.1981297165.

The spelling of 55392668 in words is "fifty-five million, three hundred ninety-two thousand, six hundred sixty-eight".