1055715654 has 32 divisors (see below), whose sum is σ = 2452628736. Its totient is φ = 296687520.

The previous prime is 1055715649. The next prime is 1055715659. The reversal of 1055715654 is 4565175501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1055715649) and next prime (1055715659).

It is a super-2 number, since 2×1055715654² = 2229071084201295432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055715659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203472 + ... + 208595.

It is an arithmetic number, because the mean of its divisors is an integer number (76644648).

Almost surely, 2^1055715654 is an apocalyptic number.

1055715654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1055715654 is an abundant number, since it is smaller than the sum of its proper divisors (1396913082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055715654 is a wasteful number, since it uses less digits than its factorization.

1055715654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412140.

The product of its (nonzero) digits is 105000, while the sum is 39.

The square root of 1055715654 is about 32491.7782523518. The cubic root of 1055715654 is about 1018.2372649425.

The spelling of 1055715654 in words is "one billion, fifty-five million, seven hundred fifteen thousand, six hundred fifty-four".