55038269490 has 16 divisors (see below), whose sum is σ = 132091846848. Its totient is φ = 14676871856.

The previous prime is 55038269483. The next prime is 55038269609. The reversal of 55038269490 is 9496283055.

It is a super-2 number, since 2×55038269490² (a number of 22 digits) contains 22 as substring.

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, 917304462 + ... + 917304521.

It is an arithmetic number, because the mean of its divisors is an integer number (8255740428).

Almost surely, 2^55038269490 is an apocalyptic number.

55038269490 is an abundant number, since it is smaller than the sum of its proper divisors (77053577358).

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

55038269490 is a wasteful number, since it uses less digits than its factorization.

55038269490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834608993.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 55038269490 in words is "fifty-five billion, thirty-eight million, two hundred sixty-nine thousand, four hundred ninety".