1051455551 has 8 divisors (see below), whose sum is σ = 1096123008. Its totient is φ = 1007460000.

The previous prime is 1051455541. The next prime is 1051455553. The reversal of 1051455551 is 1555541501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051455551 is a prime.

It is a super-2 number, since 2×1051455551² = 2211117551457427202, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051455553) 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, 164780 + ... + 171041.

It is an arithmetic number, because the mean of its divisors is an integer number (137015376).

Almost surely, 2^1051455551 is an apocalyptic number.

1051455551 is a deficient number, since it is larger than the sum of its proper divisors (44667457).

1051455551 is a wasteful number, since it uses less digits than its factorization.

1051455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335953.

The product of its (nonzero) digits is 12500, while the sum is 32.

The square root of 1051455551 is about 32426.1553533563. The cubic root of 1051455551 is about 1016.8657960692.

The spelling of 1051455551 in words is "one billion, fifty-one million, four hundred fifty-five thousand, five hundred fifty-one".