538531854 has 24 divisors (see below), whose sum is σ = 1252911528. Its totient is φ = 153866160.

The previous prime is 538531853. The next prime is 538531859. The reversal of 538531854 is 458135835.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538531853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915577 + ... + 916164.

It is an arithmetic number, because the mean of its divisors is an integer number (52204647).

Almost surely, 2^538531854 is an apocalyptic number.

538531854 is an abundant number, since it is smaller than the sum of its proper divisors (714379674).

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

538531854 is a wasteful number, since it uses less digits than its factorization.

538531854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831760 (or 1831753 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 538531854 is about 23206.2891044648. The cubic root of 538531854 is about 813.5866223053.

The spelling of 538531854 in words is "five hundred thirty-eight million, five hundred thirty-one thousand, eight hundred fifty-four".