3551481542 has 24 divisors (see below), whose sum is σ = 6233179536. Its totient is φ = 1486655856.

The previous prime is 3551481533. The next prime is 3551481547. The reversal of 3551481542 is 2451841553.

It is a super-2 number, since 2×3551481542² = 25226042286333395528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3551481496 and 3551481505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551481547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42713 + ... + 94484.

It is an arithmetic number, because the mean of its divisors is an integer number (259715814).

Almost surely, 2^3551481542 is an apocalyptic number.

3551481542 is a deficient number, since it is larger than the sum of its proper divisors (2681697994).

3551481542 is a wasteful number, since it uses less digits than its factorization.

3551481542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137292 (or 137249 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 3551481542 is about 59594.3079664493. The cubic root of 3551481542 is about 1525.7024862779.

The spelling of 3551481542 in words is "three billion, five hundred fifty-one million, four hundred eighty-one thousand, five hundred forty-two".