55929149650 has 48 divisors (see below), whose sum is σ = 114119526240. Its totient is φ = 20224217600.

The previous prime is 55929149623. The next prime is 55929149681. The reversal of 55929149650 is 5694192955.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 55929149591 and 55929149600.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185599 + ... + 382498.

It is an arithmetic number, because the mean of its divisors is an integer number (2377490130).

Almost surely, 2^55929149650 is an apocalyptic number.

55929149650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55929149650 is an abundant number, since it is smaller than the sum of its proper divisors (58190376590).

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

55929149650 is a wasteful number, since it uses less digits than its factorization.

55929149650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568299 (or 568294 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 55.

The spelling of 55929149650 in words is "fifty-five billion, nine hundred twenty-nine million, one hundred forty-nine thousand, six hundred fifty".