53432351 has 16 divisors (see below), whose sum is σ = 64584960. Its totient is φ = 43182720.

The previous prime is 53432339. The next prime is 53432369. The reversal of 53432351 is 15323435.

It is not a de Polignac number, because 53432351 - 2⁶ = 53432287 is a prime.

It is a super-2 number, since 2×53432351² = 5710032266774402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53432351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53432311) 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, 31220 + ... + 32886.

It is an arithmetic number, because the mean of its divisors is an integer number (4036560).

Almost surely, 2^53432351 is an apocalyptic number.

53432351 is a deficient number, since it is larger than the sum of its proper divisors (11152609).

53432351 is a wasteful number, since it uses less digits than its factorization.

53432351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its digits is 5400, while the sum is 26.

The square root of 53432351 is about 7309.7435659536. The cubic root of 53432351 is about 376.6472155182.

Adding to 53432351 its reverse (15323435), we get a palindrome (68755786).

The spelling of 53432351 in words is "fifty-three million, four hundred thirty-two thousand, three hundred fifty-one".