52651100 has 18 divisors (see below), whose sum is σ = 114253104. Its totient is φ = 21060400.

The previous prime is 52651073. The next prime is 52651103. The reversal of 52651100 is 115625.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52651103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263156 + ... + 263355.

Almost surely, 2^52651100 is an apocalyptic number.

52651100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52651100 is an abundant number, since it is smaller than the sum of its proper divisors (61602004).

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

52651100 is a wasteful number, since it uses less digits than its factorization.

52651100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526525 (or 526518 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 52651100 is about 7256.1077720773. The cubic root of 52651100 is about 374.8025034126.

Adding to 52651100 its reverse (115625), we get a palindrome (52766725).

The spelling of 52651100 in words is "fifty-two million, six hundred fifty-one thousand, one hundred".