52451544 has 16 divisors (see below), whose sum is σ = 131128920. Its totient is φ = 17483840.

The previous prime is 52451543. The next prime is 52451557. The reversal of 52451544 is 44515425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52451543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092717 + ... + 1092764.

Almost surely, 2^52451544 is an apocalyptic number.

It is an amenable number.

52451544 is an abundant number, since it is smaller than the sum of its proper divisors (78677376).

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

52451544 is a wasteful number, since it uses less digits than its factorization.

52451544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185490 (or 2185486 counting only the distinct ones).

The product of its digits is 16000, while the sum is 30.

The square root of 52451544 is about 7242.3438195104. The cubic root of 52451544 is about 374.3283836465.

Adding to 52451544 its reverse (44515425), we get a palindrome (96966969).

The spelling of 52451544 in words is "fifty-two million, four hundred fifty-one thousand, five hundred forty-four".