51255453 has 16 divisors (see below), whose sum is σ = 70564032. Its totient is φ = 33072000.

The previous prime is 51255439. The next prime is 51255517. The reversal of 51255453 is 35455215.

It is a happy number.

It is not a de Polignac number, because 51255453 - 2⁹ = 51254941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51255453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51255053) 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, 14523 + ... + 17703.

It is an arithmetic number, because the mean of its divisors is an integer number (4410252).

Almost surely, 2^51255453 is an apocalyptic number.

It is an amenable number.

51255453 is a deficient number, since it is larger than the sum of its proper divisors (19308579).

51255453 is a wasteful number, since it uses less digits than its factorization.

51255453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356.

The product of its digits is 15000, while the sum is 30.

The square root of 51255453 is about 7159.2913755483. The cubic root of 51255453 is about 371.4611156255.

The spelling of 51255453 in words is "fifty-one million, two hundred fifty-five thousand, four hundred fifty-three".