53051418 has 36 divisors (see below), whose sum is σ = 133713450. Its totient is φ = 15157296.

The previous prime is 53051393. The next prime is 53051429. The reversal of 53051418 is 81415035.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 4149369 = 6993^2 + 2037^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53051391 and 53051400.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 29193 + ... + 30956.

Almost surely, 2^53051418 is an apocalyptic number.

53051418 is an abundant number, since it is smaller than the sum of its proper divisors (80662032).

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

53051418 is a wasteful number, since it uses less digits than its factorization.

53051418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60171 (or 60161 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 53051418 is about 7283.6404359359. The cubic root of 53051418 is about 375.7500083001.

The spelling of 53051418 in words is "fifty-three million, fifty-one thousand, four hundred eighteen".