55146940457 has 8 divisors (see below), whose sum is σ = 63057728832. Its totient is φ = 47244315600.

The previous prime is 55146940369. The next prime is 55146940477. The reversal of 55146940457 is 75404964155.

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 55146940457 - 2¹⁰ = 55146939433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55146940477) 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, 2026394 + ... + 2053427.

It is an arithmetic number, because the mean of its divisors is an integer number (7882216104).

Almost surely, 2^55146940457 is an apocalyptic number.

It is an amenable number.

55146940457 is a deficient number, since it is larger than the sum of its proper divisors (7910788375).

55146940457 is a wasteful number, since it uses less digits than its factorization.

55146940457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081759.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 55146940457 in words is "fifty-five billion, one hundred forty-six million, nine hundred forty thousand, four hundred fifty-seven".