55550492 has 12 divisors (see below), whose sum is σ = 102931920. Its totient is φ = 26141376.

The previous prime is 55550491. The next prime is 55550501. The reversal of 55550492 is 29405555.

55550492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55550492² = 6171714322884128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408392 + ... + 408527.

It is an arithmetic number, because the mean of its divisors is an integer number (8577660).

Almost surely, 2^55550492 is an apocalyptic number.

It is an amenable number.

55550492 is a deficient number, since it is larger than the sum of its proper divisors (47381428).

55550492 is a wasteful number, since it uses less digits than its factorization.

55550492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816940 (or 816938 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 55550492 is about 7453.2202436262. The cubic root of 55550492 is about 381.5598211839.

The spelling of 55550492 in words is "fifty-five million, five hundred fifty thousand, four hundred ninety-two".