55061504 has 44 divisors (see below), whose sum is σ = 116580744. Its totient is φ = 25903104.

The previous prime is 55061477. The next prime is 55061507. The reversal of 55061504 is 40516055.

It is not an unprimeable number, because it can be changed into a prime (55061507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15827 + ... + 18989.

Almost surely, 2^55061504 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 55061504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58290372).

55061504 is an abundant number, since it is smaller than the sum of its proper divisors (61519240).

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

55061504 is a wasteful number, since it uses less digits than its factorization.

55061504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3182 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55061504 is about 7420.3439273392. The cubic root of 55061504 is about 380.4369488985.

Adding to 55061504 its reverse (40516055), we get a palindrome (95577559).

The spelling of 55061504 in words is "fifty-five million, sixty-one thousand, five hundred four".