53898480 has 80 divisors (see below), whose sum is σ = 185657760. Its totient is φ = 14372352.

The previous prime is 53898463. The next prime is 53898503. The reversal of 53898480 is 8489835.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×53898480² = 5810092292620800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 10317 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (2320722).

Almost surely, 2^53898480 is an apocalyptic number.

It is an amenable number.

53898480 is an abundant number, since it is smaller than the sum of its proper divisors (131759280).

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

53898480 is a wasteful number, since it uses less digits than its factorization.

53898480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24975 (or 24963 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 53898480 is about 7341.5584176658. The cubic root of 53898480 is about 377.7393012204.

The spelling of 53898480 in words is "fifty-three million, eight hundred ninety-eight thousand, four hundred eighty".