1055561480 has 32 divisors (see below), whose sum is σ = 2378943000. Its totient is φ = 421526016.

The previous prime is 1055561461. The next prime is 1055561491. The reversal of 1055561480 is 841655501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 728892004 + 326669476 = 26998^2 + 18074^2 .

It is a super-2 number, since 2×1055561480² = 2228420076119580800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055561480.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996 + ... + 46044.

Almost surely, 2^1055561480 is an apocalyptic number.

1055561480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055561480 is an abundant number, since it is smaller than the sum of its proper divisors (1323381520).

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

1055561480 is a wasteful number, since it uses less digits than its factorization.

1055561480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43673 (or 43669 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 1055561480 is about 32489.4056578448. The cubic root of 1055561480 is about 1018.1876956119.

The spelling of 1055561480 in words is "one billion, fifty-five million, five hundred sixty-one thousand, four hundred eighty".