53400510 has 48 divisors (see below), whose sum is σ = 139501440. Its totient is φ = 14172480.

The previous prime is 53400499. The next prime is 53400547. The reversal of 53400510 is 1500435.

It is a super-2 number, since 2×53400510² = 5703228936520200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19315 + ... + 21905.

It is an arithmetic number, because the mean of its divisors is an integer number (2906280).

Almost surely, 2^53400510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53400510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69750720).

53400510 is an abundant number, since it is smaller than the sum of its proper divisors (86100930).

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

53400510 is a wasteful number, since it uses less digits than its factorization.

53400510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833 (or 2830 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 53400510 is about 7307.5652580049. The cubic root of 53400510 is about 376.5723844045.

Adding to 53400510 its reverse (1500435), we get a palindrome (54900945).

The spelling of 53400510 in words is "fifty-three million, four hundred thousand, five hundred ten".