53451225 has 24 divisors (see below), whose sum is σ = 98193120. Its totient is φ = 28506960.

The previous prime is 53451197. The next prime is 53451239. The reversal of 53451225 is 52215435.

It is a happy number.

53451225 is a `hidden beast` number, since 534 + 5 + 122 + 5 = 666.

It is not a de Polignac number, because 53451225 - 2⁹ = 53450713 is a prime.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38919 + ... + 40268.

It is an arithmetic number, because the mean of its divisors is an integer number (4091380).

Almost surely, 2^53451225 is an apocalyptic number.

It is an amenable number.

53451225 is a deficient number, since it is larger than the sum of its proper divisors (44741895).

53451225 is a wasteful number, since it uses less digits than its factorization.

53451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79206 (or 79195 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 53451225 is about 7311.0344685277. The cubic root of 53451225 is about 376.6915582092.

The spelling of 53451225 in words is "fifty-three million, four hundred fifty-one thousand, two hundred twenty-five".