55830371490 has 48 divisors (see below), whose sum is σ = 145505505600. Its totient is φ = 14852556576.

The previous prime is 55830371479. The next prime is 55830371491. The reversal of 55830371490 is 9417303855.

55830371490 is a `hidden beast` number, since 55 + 83 + 0 + 37 + 1 + 490 = 666.

It is a super-2 number, since 2×55830371490² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (55830371491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702550 + ... + 777969.

It is an arithmetic number, because the mean of its divisors is an integer number (3031364700).

Almost surely, 2^55830371490 is an apocalyptic number.

55830371490 is an abundant number, since it is smaller than the sum of its proper divisors (89675134110).

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

55830371490 is a wasteful number, since it uses less digits than its factorization.

55830371490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480951 (or 1480948 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 55830371490 in words is "fifty-five billion, eight hundred thirty million, three hundred seventy-one thousand, four hundred ninety".