53420100 has 36 divisors (see below), whose sum is σ = 154563024. Its totient is φ = 14245280.

The previous prime is 53420057. The next prime is 53420111. The reversal of 53420100 is 102435.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 53420100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88734 + ... + 89333.

Almost surely, 2^53420100 is an apocalyptic number.

53420100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53420100 is an abundant number, since it is smaller than the sum of its proper divisors (101142924).

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

53420100 is a wasteful number, since it uses less digits than its factorization.

53420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178084 (or 178077 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 53420100 is about 7308.9055268214. The cubic root of 53420100 is about 376.6184273549.

Adding to 53420100 its reverse (102435), we get a palindrome (53522535).

The spelling of 53420100 in words is "fifty-three million, four hundred twenty thousand, one hundred".