54862557404649 has 16 divisors (see below), whose sum is σ = 79951506808320. Its totient is φ = 33313127834880.

The previous prime is 54862557404539. The next prime is 54862557404689. The reversal of 54862557404649 is 94640475526845.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-54862557404649 is a prime.

It is a super-3 number, since 3×54862557404649³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (54862557404689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17350585834 + ... + 17350588995.

It is an arithmetic number, because the mean of its divisors is an integer number (4996969175520).

Almost surely, 2^{54862557404649} is an apocalyptic number.

It is an amenable number.

54862557404649 is a deficient number, since it is larger than the sum of its proper divisors (25088949403671).

54862557404649 is a wasteful number, since it uses less digits than its factorization.

54862557404649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34701174880.

The product of its (nonzero) digits is 1161216000, while the sum is 69.

The spelling of 54862557404649 in words is "fifty-four trillion, eight hundred sixty-two billion, five hundred fifty-seven million, four hundred four thousand, six hundred forty-nine".