55816456577 has 8 divisors (see below), whose sum is σ = 63792936192. Its totient is φ = 47840652000.

The previous prime is 55816456573. The next prime is 55816456621. The reversal of 55816456577 is 77565461855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55816456577 - 2² = 55816456573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55816456573) 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, 22952 + ... + 334902.

It is an arithmetic number, because the mean of its divisors is an integer number (7974117024).

Almost surely, 2^55816456577 is an apocalyptic number.

It is an amenable number.

55816456577 is a deficient number, since it is larger than the sum of its proper divisors (7976479615).

55816456577 is a wasteful number, since it uses less digits than its factorization.

55816456577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337519.

The product of its digits is 35280000, while the sum is 59.

The spelling of 55816456577 in words is "fifty-five billion, eight hundred sixteen million, four hundred fifty-six thousand, five hundred seventy-seven".