53415420 has 48 divisors (see below), whose sum is σ = 153611808. Its totient is φ = 13858560.

The previous prime is 53415409. The next prime is 53415433. The reversal of 53415420 is 2451435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9811 + ... + 14250.

It is an arithmetic number, because the mean of its divisors is an integer number (3200246).

Almost surely, 2^53415420 is an apocalyptic number.

It is an amenable number.

53415420 is an abundant number, since it is smaller than the sum of its proper divisors (100196388).

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

53415420 is a wasteful number, since it uses less digits than its factorization.

53415420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24110 (or 24108 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 53415420 is about 7308.5853624351. The cubic root of 53415420 is about 376.6074288374.

Adding to 53415420 its reverse (2451435), we get a palindrome (55866855).

It can be divided in two parts, 53415 and 420, that added together give a palindrome (53835).

The spelling of 53415420 in words is "fifty-three million, four hundred fifteen thousand, four hundred twenty".