53364780 has 144 divisors (see below), whose sum is σ = 189693504. Its totient is φ = 11888640.

The previous prime is 53364769. The next prime is 53364793. The reversal of 53364780 is 8746335.

It is a happy number.

53364780 is a `hidden beast` number, since 5 + 3 + 3 + 647 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51144 + ... + 52176.

It is an arithmetic number, because the mean of its divisors is an integer number (1317316).

Almost surely, 2^53364780 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 53364780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94846752).

53364780 is an abundant number, since it is smaller than the sum of its proper divisors (136328724).

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

53364780 is a wasteful number, since it uses less digits than its factorization.

53364780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1091 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 53364780 is about 7305.1201222157. The cubic root of 53364780 is about 376.4883781326.

The spelling of 53364780 in words is "fifty-three million, three hundred sixty-four thousand, seven hundred eighty".