1055512551 has 8 divisors (see below), whose sum is σ = 1408247680. Its totient is φ = 703226232.

The previous prime is 1055512477. The next prime is 1055512589. The reversal of 1055512551 is 1552155501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055512551 - 2²¹ = 1053415399 is a prime.

It is a super-2 number, since 2×1055512551² = 2228213490637055202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055512351) 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, 106675 + ... + 116148.

It is an arithmetic number, because the mean of its divisors is an integer number (176030960).

Almost surely, 2^1055512551 is an apocalyptic number.

1055512551 is a deficient number, since it is larger than the sum of its proper divisors (352735129).

1055512551 is a wasteful number, since it uses less digits than its factorization.

1055512551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224405.

The product of its (nonzero) digits is 6250, while the sum is 30.

The square root of 1055512551 is about 32488.6526498099. The cubic root of 1055512551 is about 1018.1719631711.

The spelling of 1055512551 in words is "one billion, fifty-five million, five hundred twelve thousand, five hundred fifty-one".