55550140305 has 48 divisors (see below), whose sum is σ = 102332113344. Its totient is φ = 25515826560.

The previous prime is 55550140301. The next prime is 55550140367. The reversal of 55550140305 is 50304105555.

It is not a de Polignac number, because 55550140305 - 2² = 55550140301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (55550140301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 406734 + ... + 525863.

It is an arithmetic number, because the mean of its divisors is an integer number (2131919028).

Almost surely, 2^55550140305 is an apocalyptic number.

55550140305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55550140305 is a deficient number, since it is larger than the sum of its proper divisors (46781973039).

55550140305 is a wasteful number, since it uses less digits than its factorization.

55550140305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932654 (or 932635 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 55550140305 in words is "fifty-five billion, five hundred fifty million, one hundred forty thousand, three hundred five".