52251454 has 4 divisors (see below), whose sum is σ = 78377184. Its totient is φ = 26125726.

The previous prime is 52251449. The next prime is 52251457. The reversal of 52251454 is 45415225.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×52251454² = 5460428890228232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13062862 + ... + 13062865.

It is an arithmetic number, because the mean of its divisors is an integer number (19594296).

Almost surely, 2^52251454 is an apocalyptic number.

52251454 is a deficient number, since it is larger than the sum of its proper divisors (26125730).

52251454 is a wasteful number, since it uses less digits than its factorization.

52251454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26125729.

The product of its digits is 8000, while the sum is 28.

The square root of 52251454 is about 7228.5167219838. The cubic root of 52251454 is about 373.8517862391.

Adding to 52251454 its reverse (45415225), we get a palindrome (97666679).

The spelling of 52251454 in words is "fifty-two million, two hundred fifty-one thousand, four hundred fifty-four".