5149055856 has 80 divisors (see below), whose sum is σ = 15692392448. Its totient is φ = 1423699200.

The previous prime is 5149055837. The next prime is 5149055861. The reversal of 5149055856 is 6585509415.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236755 + ... + 257586.

Almost surely, 2^5149055856 is an apocalyptic number.

5149055856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5149055856 is an abundant number, since it is smaller than the sum of its proper divisors (10543336592).

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

5149055856 is a wasteful number, since it uses less digits than its factorization.

5149055856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494390 (or 494384 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 48.

The square root of 5149055856 is about 71756.9220075666. The cubic root of 5149055856 is about 1726.8019655826.

The spelling of 5149055856 in words is "five billion, one hundred forty-nine million, fifty-five thousand, eight hundred fifty-six".