54357646989 has 8 divisors (see below), whose sum is σ = 72477940320. Its totient is φ = 36237892496.

The previous prime is 54357646979. The next prime is 54357647017. The reversal of 54357646989 is 98964675345.

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 54357646989 - 2¹² = 54357642893 is a prime.

It is a super-2 number, since 2×54357646989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54357646909) 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, 318574 + ... + 458480.

It is an arithmetic number, because the mean of its divisors is an integer number (9059742540).

Almost surely, 2^54357646989 is an apocalyptic number.

It is an amenable number.

54357646989 is a deficient number, since it is larger than the sum of its proper divisors (18120293331).

54357646989 is a wasteful number, since it uses less digits than its factorization.

54357646989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269419.

The product of its digits is 195955200, while the sum is 66.

The spelling of 54357646989 in words is "fifty-four billion, three hundred fifty-seven million, six hundred forty-six thousand, nine hundred eighty-nine".