52451132 has 48 divisors (see below), whose sum is σ = 101025792. Its totient is φ = 23749440.

The previous prime is 52451131. The next prime is 52451141. The reversal of 52451132 is 23115425.

It is a super-2 number, since 2×52451132² = 5502242496162848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 52451098 and 52451107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52451131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150983 + ... + 151329.

It is an arithmetic number, because the mean of its divisors is an integer number (2104704).

Almost surely, 2^52451132 is an apocalyptic number.

It is an amenable number.

52451132 is a deficient number, since it is larger than the sum of its proper divisors (48574660).

52451132 is a wasteful number, since it uses less digits than its factorization.

52451132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 52451132 is about 7242.3153756240. The cubic root of 52451132 is about 374.3274035438.

Adding to 52451132 its reverse (23115425), we get a palindrome (75566557).

The spelling of 52451132 in words is "fifty-two million, four hundred fifty-one thousand, one hundred thirty-two".