53420115 has 32 divisors (see below), whose sum is σ = 102827520. Its totient is φ = 23134464.

The previous prime is 53420113. The next prime is 53420167. The reversal of 53420115 is 51102435.

It is not a de Polignac number, because 53420115 - 2¹ = 53420113 is a prime.

It is a super-2 number, since 2×53420115² = 5707417373226450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 53420091 and 53420100.

It is not an unprimeable number, because it can be changed into a prime (53420111) 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, 11394 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (3213360).

Almost surely, 2^53420115 is an apocalyptic number.

53420115 is a deficient number, since it is larger than the sum of its proper divisors (49407405).

53420115 is a wasteful number, since it uses less digits than its factorization.

53420115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26811.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 53420115 is about 7308.9065529667. The cubic root of 53420115 is about 376.6184626055.

It can be divided in two parts, 53420 and 115, that added together give a palindrome (53535).

The spelling of 53420115 in words is "fifty-three million, four hundred twenty thousand, one hundred fifteen".