53407172 has 48 divisors (see below), whose sum is σ = 118766592. Its totient is φ = 20442240.

The previous prime is 53407171. The next prime is 53407201. The reversal of 53407172 is 27170435.

It is not an unprimeable number, because it can be changed into a prime (53407171) 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, 8918 + ... + 13650.

It is an arithmetic number, because the mean of its divisors is an integer number (2474304).

Almost surely, 2^53407172 is an apocalyptic number.

53407172 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 53407172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59383296).

53407172 is an abundant number, since it is smaller than the sum of its proper divisors (65359420).

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

53407172 is a wasteful number, since it uses less digits than its factorization.

53407172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788 (or 4786 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 53407172 is about 7308.0210727666. The cubic root of 53407172 is about 376.5880435615.

The spelling of 53407172 in words is "fifty-three million, four hundred seven thousand, one hundred seventy-two".