5206537854 has 48 divisors (see below), whose sum is σ = 13308272640. Its totient is φ = 1439594640.

The previous prime is 5206537837. The next prime is 5206537859. The reversal of 5206537854 is 4587356025.

5206537854 is a `hidden beast` number, since 520 + 6 + 5 + 3 + 78 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5206537859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662574 + ... + 670385.

It is an arithmetic number, because the mean of its divisors is an integer number (277255680).

Almost surely, 2^5206537854 is an apocalyptic number.

5206537854 is an abundant number, since it is smaller than the sum of its proper divisors (8101734786).

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

5206537854 is a wasteful number, since it uses less digits than its factorization.

5206537854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333005 (or 1333002 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The square root of 5206537854 is about 72156.3431307324. The cubic root of 5206537854 is about 1733.2039764494.

The spelling of 5206537854 in words is "five billion, two hundred six million, five hundred thirty-seven thousand, eight hundred fifty-four".