1055597154 has 16 divisors (see below), whose sum is σ = 2136631392. Its totient is φ = 347626208.

The previous prime is 1055597149. The next prime is 1055597159. The reversal of 1055597154 is 4517955501.

It is an interprime number because it is at equal distance from previous prime (1055597149) and next prime (1055597159).

It is a super-2 number, since 2×1055597154² = 2228570703065799432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055597159) 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, 1059339 + ... + 1060334.

It is an arithmetic number, because the mean of its divisors is an integer number (133539462).

Almost surely, 2^1055597154 is an apocalyptic number.

1055597154 is an abundant number, since it is smaller than the sum of its proper divisors (1081034238).

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

1055597154 is a wasteful number, since it uses less digits than its factorization.

1055597154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119761.

The product of its (nonzero) digits is 157500, while the sum is 42.

The square root of 1055597154 is about 32489.9546629416. The cubic root of 1055597154 is about 1018.1991657850.

The spelling of 1055597154 in words is "one billion, fifty-five million, five hundred ninety-seven thousand, one hundred fifty-four".