52454550 has 24 divisors (see below), whose sum is σ = 130087656. Its totient is φ = 13987840.

The previous prime is 52454527. The next prime is 52454557. The reversal of 52454550 is 5545425.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52454557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174699 + ... + 174998.

It is an arithmetic number, because the mean of its divisors is an integer number (5420319).

Almost surely, 2^52454550 is an apocalyptic number.

52454550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52454550 is an abundant number, since it is smaller than the sum of its proper divisors (77633106).

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

52454550 is a wasteful number, since it uses less digits than its factorization.

52454550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349712 (or 349707 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 52454550 is about 7242.5513460382. The cubic root of 52454550 is about 374.3355344345.

Adding to 52454550 its reverse (5545425), we get a palindrome (57999975).

The spelling of 52454550 in words is "fifty-two million, four hundred fifty-four thousand, five hundred fifty".