5551061004 has 48 divisors (see below), whose sum is σ = 14855895040. Its totient is φ = 1790663760.

The previous prime is 5551060997. The next prime is 5551061023. The reversal of 5551061004 is 4001601555.

It is a happy number.

5551061004 is a `hidden beast` number, since 5 + 551 + 0 + 6 + 100 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825664 + ... + 832359.

Almost surely, 2^5551061004 is an apocalyptic number.

5551061004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5551061004 is an abundant number, since it is smaller than the sum of its proper divisors (9304834036).

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

5551061004 is a wasteful number, since it uses less digits than its factorization.

5551061004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658067 (or 1658059 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5551061004 is about 74505.4427810479. The cubic root of 5551061004 is about 1770.6198690734.

Adding to 5551061004 its reverse (4001601555), we get a palindrome (9552662559).

The spelling of 5551061004 in words is "five billion, five hundred fifty-one million, sixty-one thousand, four".