550400155624 has 32 divisors (see below), whose sum is σ = 1133374356000. Its totient is φ = 248502809920.

The previous prime is 550400155621. The next prime is 550400155633. The reversal of 550400155624 is 426551004055.

550400155624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (550400155621) 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, 20975302 + ... + 21001525.

It is an arithmetic number, because the mean of its divisors is an integer number (35417948625).

Almost surely, 2^550400155624 is an apocalyptic number.

It is an amenable number.

550400155624 is an abundant number, since it is smaller than the sum of its proper divisors (582974200376).

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

550400155624 is a wasteful number, since it uses less digits than its factorization.

550400155624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41976993 (or 41976989 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 550400155624 its reverse (426551004055), we get a palindrome (976951159679).

The spelling of 550400155624 in words is "five hundred fifty billion, four hundred million, one hundred fifty-five thousand, six hundred twenty-four".