49054553856 has 1296 divisors, whose sum is σ = 197908256000. Its totient is φ = 12070840320.

The previous prime is 49054553851. The next prime is 49054553879. The reversal of 49054553856 is 65835545094.

49054553856 is a `hidden beast` number, since 4 + 9 + 0 + 5 + 4 + 553 + 85 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (1296).

It is a super-2 number, since 2×49054553856² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49054553851) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2581818615 + ... + 2581818633.

Almost surely, 2^49054553856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49054553856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98954128000).

49054553856 is an abundant number, since it is smaller than the sum of its proper divisors (148853702144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49054553856 is an equidigital number, since it uses as much as digits as its factorization.

49054553856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 54.

The spelling of 49054553856 in words is "forty-nine billion, fifty-four million, five hundred fifty-three thousand, eight hundred fifty-six".