55351452 has 48 divisors (see below), whose sum is σ = 139865600. Its totient is φ = 16936128.

The previous prime is 55351441. The next prime is 55351463. The reversal of 55351452 is 25415355.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55351441) and next prime (55351463).

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, 30153 + ... + 31935.

Almost surely, 2^55351452 is an apocalyptic number.

55351452 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 55351452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69932800).

55351452 is an abundant number, since it is smaller than the sum of its proper divisors (84514148).

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

55351452 is a wasteful number, since it uses less digits than its factorization.

55351452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002 (or 2000 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 55351452 is about 7439.8556437608. The cubic root of 55351452 is about 381.1035602779.

The spelling of 55351452 in words is "fifty-five million, three hundred fifty-one thousand, four hundred fifty-two".