52451543100 has 144 divisors (see below), whose sum is σ = 171265288320. Its totient is φ = 12277036800.

The previous prime is 52451543093. The next prime is 52451543161. The reversal of 52451543100 is 134515425.

It is a super-2 number, since 2×52451543100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178342 + ... + 369741.

It is an arithmetic number, because the mean of its divisors is an integer number (1189342280).

Almost surely, 2^52451543100 is an apocalyptic number.

52451543100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52451543100 is an abundant number, since it is smaller than the sum of its proper divisors (118813745220).

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

52451543100 is a wasteful number, since it uses less digits than its factorization.

52451543100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548140 (or 548133 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 52451543100 in words is "fifty-two billion, four hundred fifty-one million, five hundred forty-three thousand, one hundred".