55500566492 has 24 divisors (see below), whose sum is σ = 112338500736. Its totient is φ = 23499378288.

The previous prime is 55500566491. The next prime is 55500566497. The reversal of 55500566492 is 29466500555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500566491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11938418 + ... + 11943065.

It is an arithmetic number, because the mean of its divisors is an integer number (4680770864).

Almost surely, 2^55500566492 is an apocalyptic number.

It is an amenable number.

55500566492 is an abundant number, since it is smaller than the sum of its proper divisors (56837934244).

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

55500566492 is a wasteful number, since it uses less digits than its factorization.

55500566492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23881577 (or 23881575 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 55500566492 in words is "fifty-five billion, five hundred million, five hundred sixty-six thousand, four hundred ninety-two".