54857720003242 has 8 divisors (see below), whose sum is σ = 88616316928356. Its totient is φ = 25318947693792.

The previous prime is 54857720003227. The next prime is 54857720003243. The reversal of 54857720003242 is 24230002775845.

It can be written as a sum of positive squares in 2 ways, for example, as 51499410863481 + 3358309139761 = 7176309^2 + 1832569^2 .

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

It is not an unprimeable number, because it can be changed into a prime (54857720003243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054956153883 + ... + 1054956153934.

Almost surely, 2^{54857720003242} is an apocalyptic number.

54857720003242 is a deficient number, since it is larger than the sum of its proper divisors (33758596925114).

54857720003242 is a wasteful number, since it uses less digits than its factorization.

54857720003242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109912307832.

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 54857720003242 in words is "fifty-four trillion, eight hundred fifty-seven billion, seven hundred twenty million, three thousand, two hundred forty-two".