1055214553400 has 96 divisors (see below), whose sum is σ = 2806005939840. Its totient is φ = 361510412160.

The previous prime is 1055214553399. The next prime is 1055214553487. The reversal of 1055214553400 is 43554125501.

It is a super-2 number, since 2×1055214553400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

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, 1541459 + ... + 2118141.

It is an arithmetic number, because the mean of its divisors is an integer number (29229228540).

Almost surely, 2^{1055214553400} is an apocalyptic number.

1055214553400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055214553400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403002969920).

1055214553400 is an abundant number, since it is smaller than the sum of its proper divisors (1750791386440).

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

1055214553400 is a wasteful number, since it uses less digits than its factorization.

1055214553400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578013 (or 578004 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 1055214553400 its reverse (43554125501), we get a palindrome (1098768678901).

The spelling of 1055214553400 in words is "one trillion, fifty-five billion, two hundred fourteen million, five hundred fifty-three thousand, four hundred".