53020455 has 32 divisors (see below), whose sum is σ = 86952960. Its totient is φ = 27580800.

The previous prime is 53020453. The next prime is 53020459. The reversal of 53020455 is 55402035.

It is not a de Polignac number, because 53020455 - 2¹ = 53020453 is a prime.

It is a super-2 number, since 2×53020455² = 5622337296814050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119464 + ... + 119906.

It is an arithmetic number, because the mean of its divisors is an integer number (2717280).

Almost surely, 2^53020455 is an apocalyptic number.

53020455 is a deficient number, since it is larger than the sum of its proper divisors (33932505).

53020455 is a wasteful number, since it uses less digits than its factorization.

53020455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 53020455 is about 7281.5146089258. The cubic root of 53020455 is about 375.6768929961.

The spelling of 53020455 in words is "fifty-three million, twenty thousand, four hundred fifty-five".