542157552 has 120 divisors (see below), whose sum is σ = 1652461200. Its totient is φ = 165279744.

The previous prime is 542157547. The next prime is 542157601. The reversal of 542157552 is 255751245.

542157552 is a `hidden beast` number, since 54 + 2 + 1 + 57 + 552 = 666.

It is a super-2 number, since 2×542157552² = 587869622381265408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75928 + ... + 82760.

It is an arithmetic number, because the mean of its divisors is an integer number (13770510).

Almost surely, 2^542157552 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 542157552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826230600).

542157552 is an abundant number, since it is smaller than the sum of its proper divisors (1110303648).

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

542157552 is a wasteful number, since it uses less digits than its factorization.

542157552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895 (or 6886 counting only the distinct ones).

The product of its digits is 70000, while the sum is 36.

The square root of 542157552 is about 23284.2769267160. The cubic root of 542157552 is about 815.4083802769.

The spelling of 542157552 in words is "five hundred forty-two million, one hundred fifty-seven thousand, five hundred fifty-two".