55359460 has 48 divisors (see below), whose sum is σ = 126126000. Its totient is φ = 20289024.

The previous prime is 55359457. The next prime is 55359517. The reversal of 55359460 is 6495355.

It can be written as a sum of positive squares in 8 ways, for example, as 25482304 + 29877156 = 5048^2 + 5466^2 .

It is a super-2 number, since 2×55359460² = 6129339622983200, which contains 22 as substring.

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, 38026 + ... + 39454.

It is an arithmetic number, because the mean of its divisors is an integer number (2627625).

Almost surely, 2^55359460 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 55359460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63063000).

55359460 is an abundant number, since it is smaller than the sum of its proper divisors (70766540).

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

55359460 is a wasteful number, since it uses less digits than its factorization.

55359460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 55359460 is about 7440.3938067820. The cubic root of 55359460 is about 381.1219381767.

The spelling of 55359460 in words is "fifty-five million, three hundred fifty-nine thousand, four hundred sixty".