54619997847 has 8 divisors (see below), whose sum is σ = 72852345456. Its totient is φ = 36400491072.

The previous prime is 54619997837. The next prime is 54619997857. The reversal of 54619997847 is 74879991645.

It is an interprime number because it is at equal distance from previous prime (54619997837) and next prime (54619997857).

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

It is not a de Polignac number, because 54619997847 - 2³⁵ = 20260259479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54619997837) 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, 3200278 + ... + 3217299.

It is an arithmetic number, because the mean of its divisors is an integer number (9106543182).

Almost surely, 2^54619997847 is an apocalyptic number.

54619997847 is a deficient number, since it is larger than the sum of its proper divisors (18232347609).

54619997847 is a wasteful number, since it uses less digits than its factorization.

54619997847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420417.

The product of its digits is 137168640, while the sum is 69.

The spelling of 54619997847 in words is "fifty-four billion, six hundred nineteen million, nine hundred ninety-seven thousand, eight hundred forty-seven".