53047332 has 48 divisors (see below), whose sum is σ = 148113280. Its totient is φ = 16321824.

The previous prime is 53047331. The next prime is 53047333. The reversal of 53047332 is 23374035.

It is an interprime number because it is at equal distance from previous prime (53047331) and next prime (53047333).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53047296 and 53047305.

It is not an unprimeable number, because it can be changed into a prime (53047331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17488 + ... + 20295.

Almost surely, 2^53047332 is an apocalyptic number.

53047332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53047332 is an abundant number, since it is smaller than the sum of its proper divisors (95065948).

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

53047332 is a wasteful number, since it uses less digits than its factorization.

53047332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37809 (or 37801 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 53047332 is about 7283.3599389293. The cubic root of 53047332 is about 375.7403613449.

The spelling of 53047332 in words is "fifty-three million, forty-seven thousand, three hundred thirty-two".