5551405942 has 16 divisors (see below), whose sum is σ = 8389296000. Its totient is φ = 2755002240.

The previous prime is 5551405927. The next prime is 5551405943. The reversal of 5551405942 is 2495041555.

It is a junction number, because it is equal to n+sod(n) for n = 5551405895 and 5551405904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551405943) 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, 437467 + ... + 449977.

It is an arithmetic number, because the mean of its divisors is an integer number (524331000).

Almost surely, 2^5551405942 is an apocalyptic number.

5551405942 is a deficient number, since it is larger than the sum of its proper divisors (2837890058).

5551405942 is a wasteful number, since it uses less digits than its factorization.

5551405942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151.

The product of its (nonzero) digits is 180000, while the sum is 40.

The square root of 5551405942 is about 74507.7575961054. The cubic root of 5551405942 is about 1770.6565432290.

The spelling of 5551405942 in words is "five billion, five hundred fifty-one million, four hundred five thousand, nine hundred forty-two".