53315451 has 48 divisors (see below), whose sum is σ = 94708224. Its totient is φ = 28207872.

The previous prime is 53315429. The next prime is 53315459. The reversal of 53315451 is 15451335.

It is not a de Polignac number, because 53315451 - 2⁵ = 53315419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53315459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71386 + ... + 72128.

It is an arithmetic number, because the mean of its divisors is an integer number (1973088).

Almost surely, 2^53315451 is an apocalyptic number.

53315451 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

53315451 is a deficient number, since it is larger than the sum of its proper divisors (41392773).

53315451 is a wasteful number, since it uses less digits than its factorization.

53315451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 837 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 53315451 is about 7301.7430110899. The cubic root of 53315451 is about 376.3723370498.

Adding to 53315451 its reverse (15451335), we get a palindrome (68766786).

The spelling of 53315451 in words is "fifty-three million, three hundred fifteen thousand, four hundred fifty-one".