1055608278 has 8 divisors (see below), whose sum is σ = 2111216568. Its totient is φ = 351869424.

The previous prime is 1055608273. The next prime is 1055608283. The reversal of 1055608278 is 8728065501.

It is an interprime number because it is at equal distance from previous prime (1055608273) and next prime (1055608283).

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

1055608278 is an admirable number.

It is a super-2 number, since 2×1055608278² = 2228617673164250568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055608273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87967351 + ... + 87967362.

It is an arithmetic number, because the mean of its divisors is an integer number (263902071).

Almost surely, 2^1055608278 is an apocalyptic number.

1055608278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1055608278 is a wasteful number, since it uses less digits than its factorization.

1055608278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175934718.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1055608278 is about 32490.1258538652. The cubic root of 1055608278 is about 1018.2027424044.

The spelling of 1055608278 in words is "one billion, fifty-five million, six hundred eight thousand, two hundred seventy-eight".