1051543555 has 24 divisors (see below), whose sum is σ = 1327067280. Its totient is φ = 799803840.

The previous prime is 1051543547. The next prime is 1051543621. The reversal of 1051543555 is 5553451501.

It is not a de Polignac number, because 1051543555 - 2³ = 1051543547 is a prime.

It is a super-2 number, since 2×1051543555² = 2211487696124076050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1051543555.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472345 + ... + 474565.

It is an arithmetic number, because the mean of its divisors is an integer number (55294470).

Almost surely, 2^1051543555 is an apocalyptic number.

1051543555 is a deficient number, since it is larger than the sum of its proper divisors (275523725).

1051543555 is a wasteful number, since it uses less digits than its factorization.

1051543555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 1051543555 is about 32427.5123159332. The cubic root of 1051543555 is about 1016.8941649213.

The spelling of 1051543555 in words is "one billion, fifty-one million, five hundred forty-three thousand, five hundred fifty-five".