53475552 has 216 divisors, whose sum is σ = 177539544. Its totient is φ = 15738624.

The previous prime is 53475551. The next prime is 53475559. The reversal of 53475552 is 25557435.

53475552 is a `hidden beast` number, since 5 + 34 + 75 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (105000) is a multiple of the sum of its prime factors (84).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53475551) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2325013 + ... + 2325035.

Almost surely, 2^53475552 is an apocalyptic number.

53475552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53475552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88769772).

53475552 is an abundant number, since it is smaller than the sum of its proper divisors (124063992).

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

53475552 is a wasteful number, since it uses less digits than its factorization.

53475552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 41 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 53475552 is about 7312.6979973195. The cubic root of 53475552 is about 376.7486968165.

The spelling of 53475552 in words is "fifty-three million, four hundred seventy-five thousand, five hundred fifty-two".