55745004 has 24 divisors (see below), whose sum is σ = 148653568. Its totient is φ = 15927120.

The previous prime is 55745003. The next prime is 55745009. The reversal of 55745004 is 40054755.

It is not an unprimeable number, because it can be changed into a prime (55745003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331732 + ... + 331899.

Almost surely, 2^55745004 is an apocalyptic number.

It is an amenable number.

55745004 is an abundant number, since it is smaller than the sum of its proper divisors (92908564).

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

55745004 is a wasteful number, since it uses less digits than its factorization.

55745004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663645 (or 663643 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 55745004 is about 7466.2576971331. The cubic root of 55745004 is about 382.0046507662.

Adding to 55745004 its reverse (40054755), we get a palindrome (95799759).

The spelling of 55745004 in words is "fifty-five million, seven hundred forty-five thousand, four".