55349504 has 72 divisors (see below), whose sum is σ = 128428608. Its totient is φ = 23316480.

The previous prime is 55349491. The next prime is 55349519. The reversal of 55349504 is 40594355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119834 + ... + 120294.

Almost surely, 2^55349504 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 55349504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64214304).

55349504 is an abundant number, since it is smaller than the sum of its proper divisors (73079104).

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

55349504 is an equidigital number, since it uses as much as digits as its factorization.

55349504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 55349504 is about 7439.7247260903. The cubic root of 55349504 is about 381.0990894621.

The spelling of 55349504 in words is "fifty-five million, three hundred forty-nine thousand, five hundred four".