53354540 has 12 divisors (see below), whose sum is σ = 112044576. Its totient is φ = 21341808.

The previous prime is 53354533. The next prime is 53354557. The reversal of 53354540 is 4545335.

It is a super-2 number, since 2×53354540² = 5693413877223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333844 + ... + 1333883.

It is an arithmetic number, because the mean of its divisors is an integer number (9337048).

Almost surely, 2^53354540 is an apocalyptic number.

It is an amenable number.

53354540 is an abundant number, since it is smaller than the sum of its proper divisors (58690036).

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

53354540 is a wasteful number, since it uses less digits than its factorization.

53354540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667736 (or 2667734 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 53354540 is about 7304.4192103137. The cubic root of 53354540 is about 376.4642955348.

Adding to 53354540 its reverse (4545335), we get a palindrome (57899875).

The spelling of 53354540 in words is "fifty-three million, three hundred fifty-four thousand, five hundred forty".