55015004001 has 16 divisors (see below), whose sum is σ = 73697083200. Its totient is φ = 36504921600.

The previous prime is 55015003993. The next prime is 55015004003. The reversal of 55015004001 is 10040051055.

It is not a de Polignac number, because 55015004001 - 2³ = 55015003993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55015004003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943850 + ... + 1971948.

It is an arithmetic number, because the mean of its divisors is an integer number (4606067700).

Almost surely, 2^55015004001 is an apocalyptic number.

It is an amenable number.

55015004001 is a deficient number, since it is larger than the sum of its proper divisors (18682079199).

55015004001 is a wasteful number, since it uses less digits than its factorization.

55015004001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31136.

The product of its (nonzero) digits is 500, while the sum is 21.

Adding to 55015004001 its reverse (10040051055), we get a palindrome (65055055056).

The spelling of 55015004001 in words is "fifty-five billion, fifteen million, four thousand, one".