49287115548 has 384 divisors, whose sum is σ = 147414220800. Its totient is φ = 14285134080.

The previous prime is 49287115523. The next prime is 49287115567. The reversal of 49287115548 is 84551178294.

49287115548 is a `hidden beast` number, since 4 + 9 + 2 + 87 + 1 + 1 + 554 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 49287115494 and 49287115503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 388087461 + ... + 388087587.

It is an arithmetic number, because the mean of its divisors is an integer number (383891200).

Almost surely, 2^49287115548 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 49287115548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73707110400).

49287115548 is an abundant number, since it is smaller than the sum of its proper divisors (98127105252).

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

49287115548 is a wasteful number, since it uses less digits than its factorization.

49287115548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 289 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The spelling of 49287115548 in words is "forty-nine billion, two hundred eighty-seven million, one hundred fifteen thousand, five hundred forty-eight".