52311450 has 48 divisors (see below), whose sum is σ = 130304160. Its totient is φ = 13888320.

The previous prime is 52311439. The next prime is 52311461. The reversal of 52311450 is 5411325.

It is an interprime number because it is at equal distance from previous prime (52311439) and next prime (52311461).

It is a super-2 number, since 2×52311450² = 5472975602205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40921 + ... + 42179.

It is an arithmetic number, because the mean of its divisors is an integer number (2714670).

Almost surely, 2^52311450 is an apocalyptic number.

52311450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52311450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65152080).

52311450 is an abundant number, since it is smaller than the sum of its proper divisors (77992710).

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

52311450 is a wasteful number, since it uses less digits than its factorization.

52311450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 52311450 is about 7232.6654837618. The cubic root of 52311450 is about 373.9948191491.

Adding to 52311450 its reverse (5411325), we get a palindrome (57722775).

The spelling of 52311450 in words is "fifty-two million, three hundred eleven thousand, four hundred fifty".