55847992 has 32 divisors (see below), whose sum is σ = 116715600. Its totient is φ = 24897024.

The previous prime is 55847983. The next prime is 55847999. The reversal of 55847992 is 29974855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55847999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8223 + ... + 13390.

Almost surely, 2^55847992 is an apocalyptic number.

It is an amenable number.

55847992 is an abundant number, since it is smaller than the sum of its proper divisors (60867608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55847992 is a wasteful number, since it uses less digits than its factorization.

55847992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21655 (or 21651 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 55847992 is about 7473.1514102151. The cubic root of 55847992 is about 382.2397551950.

The spelling of 55847992 in words is "fifty-five million, eight hundred forty-seven thousand, nine hundred ninety-two".