53740530 has 32 divisors (see below), whose sum is σ = 143308800. Its totient is φ = 14330736.

The previous prime is 53740517. The next prime is 53740537. The reversal of 53740530 is 3504735.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 53740494 and 53740503.

It is not an unprimeable number, because it can be changed into a prime (53740537) 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, 99250 + ... + 99789.

It is an arithmetic number, because the mean of its divisors is an integer number (4478400).

Almost surely, 2^53740530 is an apocalyptic number.

53740530 is an abundant number, since it is smaller than the sum of its proper divisors (89568270).

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

53740530 is a wasteful number, since it uses less digits than its factorization.

53740530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199055 (or 199049 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 53740530 is about 7330.7932722182. The cubic root of 53740530 is about 377.3699506710.

The spelling of 53740530 in words is "fifty-three million, seven hundred forty thousand, five hundred thirty".