55551534650 has 24 divisors (see below), whose sum is σ = 103341284544. Its totient is φ = 22217295600.

The previous prime is 55551534631. The next prime is 55551534679. The reversal of 55551534650 is 5643515555.

55551534650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270089 + ... + 429011.

It is an arithmetic number, because the mean of its divisors is an integer number (4305886856).

Almost surely, 2^55551534650 is an apocalyptic number.

55551534650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55551534650 is a deficient number, since it is larger than the sum of its proper divisors (47789749894).

55551534650 is a wasteful number, since it uses less digits than its factorization.

55551534650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165926 (or 165921 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 55551534650 in words is "fifty-five billion, five hundred fifty-one million, five hundred thirty-four thousand, six hundred fifty".