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553142155 = 51910157649
BaseRepresentation
bin100000111110000…
…100011110001011
31102112211112101111
4200332010132023
52113101022110
6130515431151
716464426226
oct4076043613
91375745344
10553142155
11264263985
121352b54b7
138a7a0767
145366a5bd
1533863e8a
hex20f8478b

553142155 has 16 divisors (see below), whose sum is σ = 705636000. Its totient is φ = 415065600.

The previous prime is 553142137. The next prime is 553142159. The reversal of 553142155 is 551241355.

It is not a de Polignac number, because 553142155 - 25 = 553142123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553142159) 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, 19230 + ... + 38419.

It is an arithmetic number, because the mean of its divisors is an integer number (44102250).

Almost surely, 2553142155 is an apocalyptic number.

553142155 is a deficient number, since it is larger than the sum of its proper divisors (152493845).

553142155 is a wasteful number, since it uses less digits than its factorization.

553142155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57774.

The product of its digits is 15000, while the sum is 31.

The square root of 553142155 is about 23518.9743611408. The cubic root of 553142155 is about 820.8785720183.

The spelling of 553142155 in words is "five hundred fifty-three million, one hundred forty-two thousand, one hundred fifty-five".

Divisors: 1 5 19 95 101 505 1919 9595 57649 288245 1095331 5476655 5822549 29112745 110628431 553142155