53472291840 has 1056 divisors, whose sum is σ = 216307832832. Its totient is φ = 12091392000.

The previous prime is 53472291823. The next prime is 53472291863. The reversal of 53472291840 is 4819227435.

53472291840 is a `hidden beast` number, since 5 + 347 + 229 + 1 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 644244439 + ... + 644244521.

Almost surely, 2^53472291840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53472291840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108153916416).

53472291840 is an abundant number, since it is smaller than the sum of its proper divisors (162835540992).

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

53472291840 is a wasteful number, since it uses less digits than its factorization.

53472291840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 53472291840 in words is "fifty-three billion, four hundred seventy-two million, two hundred ninety-one thousand, eight hundred forty".