55276991546 has 64 divisors (see below), whose sum is σ = 103801388544. Its totient is φ = 21537024000.

The previous prime is 55276991513. The next prime is 55276991657. The reversal of 55276991546 is 64519967255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 957515 + ... + 1013601.

It is an arithmetic number, because the mean of its divisors is an integer number (1621896696).

Almost surely, 2^55276991546 is an apocalyptic number.

55276991546 is a deficient number, since it is larger than the sum of its proper divisors (48524396998).

55276991546 is a wasteful number, since it uses less digits than its factorization.

55276991546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56255.

The product of its digits is 20412000, while the sum is 59.

The spelling of 55276991546 in words is "fifty-five billion, two hundred seventy-six million, nine hundred ninety-one thousand, five hundred forty-six".