55641892 has 12 divisors (see below), whose sum is σ = 98827120. Its totient is φ = 27405576.

The previous prime is 55641889. The next prime is 55641893. The reversal of 55641892 is 29814655.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55641893) 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, 103542 + ... + 104077.

Almost surely, 2^55641892 is an apocalyptic number.

It is an amenable number.

55641892 is a deficient number, since it is larger than the sum of its proper divisors (43185228).

55641892 is a wasteful number, since it uses less digits than its factorization.

55641892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207690 (or 207688 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 55641892 is about 7459.3493013801. The cubic root of 55641892 is about 381.7689729958.

The spelling of 55641892 in words is "fifty-five million, six hundred forty-one thousand, eight hundred ninety-two".