53400276 has 48 divisors (see below), whose sum is σ = 139769280. Its totient is φ = 17629920.

The previous prime is 53400239. The next prime is 53400283. The reversal of 53400276 is 67200435.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9246 + ... + 13866.

It is an arithmetic number, because the mean of its divisors is an integer number (2911860).

Almost surely, 2^53400276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53400276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69884640).

53400276 is an abundant number, since it is smaller than the sum of its proper divisors (86369004).

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

53400276 is a wasteful number, since it uses less digits than its factorization.

53400276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53400276 is about 7307.5492471827. The cubic root of 53400276 is about 376.5718343594.

The spelling of 53400276 in words is "fifty-three million, four hundred thousand, two hundred seventy-six".